Gene Engineer

Gene Engineer (incorrectly written as "Gene engineer" in-game, with a lowercase "engineer") is a Learning based skill that allows you to combine one pet with another to make a stronger ally. Gene engineering requires a gene machine, which can be acquired in Port Kapul through the Ambitious Scientist quest.

Using the Gene Machine

Two pets are required in order to use the gene machine.

1. Use the Tool command on the gene machine.
2. Select your first pet; this pet will be the recipient of the second pet's genes.
3. Select the second pet; a list of body parts and skills that can be added to the first pet will be provided.

Once the pets have been combined, a character sheet for the augmented pet will appear. This can be used instead of paying the informer 10,000 gold. Note that higher level creatures cannot be combined until your Gene Engineer skill is sufficiently high. You cannot perform any gene engineering upon a creature unless its level is less than or equal to your gene engineering skill level plus five. For example, you can perform gene engineering on a Tyrannosaurus -- a level 30 creature -- when your gene engineering skill is 25.

For easy training, take your gene machine to the slave market owner in Derphy and keep buying and combining cheap slaves; if your skill isn't high enough or you simply can't afford to buy bulks of slaves, it could be faster and a cheaper alternative to take your gene machine to Yowyn and combine lame horses and cheap wild horses. Make sure to pick up your Gene Machine when you are done training to prevent the cleaner from destroying it.

Another easy way is to stockpile items such as Diaries and Scrolls of Ally, the latter of which have the benefit of being able to summon monsters that cannot be bought as slaves.

Effects of Gene Engineering

Skills

New skills may be learned by the augmented pet. For example, by combining the dog you may receive at the beginning of the game with a little girl purchased in Derphy, the dog may learn Detection, Performer, Investing, Tactics, or Two Hand. Tactics is very valuable for a dog, since it increases the dog's melee damage. A single donor may donate up to two skills.

In Elona+ version 1.37, pets who have the skill gene engineering and have an impression(>100) can help collect materials after defeating enemies. You can then interact with them by Talk->Receive Materials to get the materials they have collected.

Experience and stats

Some of the experience of the previous pet will transfer to the augmented pet. If the donor's level is greater than the recipient's level, the recipient's level will become ((donor's level) + (recipient's level) + 1)/2, rounded up if the result is a fraction (but no higher than the donor's level).

The augmented pet's attributes may also increase when gaining levels, depending on genes added. The 3 highest attributes of the sacrificed pet are chosen, and if the recipient's are lower, they will be raised (a pet cannot gain more than 10 points for each attribute in a single fusion). This only happens if the donor is higher level than the recipient - even one level lower. Thus, this is one possible efficient use for potions of descent. Attributes gained in this manner do not reduce potential.

Body parts

The augmented pet may gain a body part. This is very useful, as some good allies are lacking slots. Gene recipient, however, can't get more body parts a particular type than a donor has; for example, if both the recipient and the donor have two ring slots, then the recipient will gain no new ring slots. Also, only a single slot can be donated at a time: for example, if the recipient has two ring slots and the donor has five ring slots, then the recipient will only gain one new ring slot, rather than three new ring slots.

Note that having too many body parts will result in "body is complicated" feat, which decreases speed by 5% for each body part over 13. Standard number of body parts for human pets is 13.

Note that body part received varies not just with donor, but with recipient too. (See table below, especially Public Performer and Silver Cat.)

The body parts that each creature spawns with is dependent wholly on its race. One can assume an Asura will have the same parts to donate as an {Asura}, a Varuna or even a Kali.

Reference for the number of body parts of each race:

Race	Head	Neck	Back	Body	Hand	Ring	Arm	Waist	Leg
Kobold	1	-	1	1	2	2	1	1	1
Orc	1	-	1	1	2	1	1	1	1
Troll	1	-	1	1	2	-	1	1	-
Lizardman	1	-	1	1	2	1	1	1	1
Minotaur	1	-	-	1	2	1	-	1	1
Asura	-	1	-	-	4	-	-	-	-
Slime	1	-	-	-	-	-	-	-	-
Wolf	1	1	1	1	-	-	1	-	1
Zombie	1	1	1	1	1	1	1	1	-
Rabbit	1	1	1	1	-	-	1	-	-
Sheep	1	1	1	1	-	-	1	-	1
Frog	-	-	-	1	-	-	-	-	-
Centipede (Worm)	-	-	1	-	-	2	-	-	-
Mandrake	1	-	1	-	-	-	-	-	-
Beetle	-	1	-	-	-	-	-	-	-
Mushroom	1	1	-	-	-	-	-	-	-
Hound	1	1	1	1	-	-	-	-	1
Ent	-	-	-	-	1	2	1	-	1
Bat	1	-	-	-	-	-	-	-	-
Ghost	1	1	1	1	2	2	-	-	-
Spirit	1	1	1	1	2	2	-	-	-
Eye	1	-	-	-	-	-	-	-	-
Wyvern	-	1	-	1	-	2	-	-	-
Wasp	1	-	-	-	-	-	-	-	-
Giant	-	-	1	1	2	-	1	-	1
Imp*	-	1	-	1	2	1	-	-	-
Hand	-	-	-	-	2	2	1	-	-
Snake	-	-	-	1	-	-	-	-	-
Drake	-	1	-	1	-	2	-	-	-
Bear	-	-	-	-	2	2	1	1	1
Armor	1	1	1	1	2	-	1	1	-
Medusa	-	-	-	1	2	2	1	-	1
Cupid	-	1	-	1	2	2	1	1	-
Phantom	-	1	-	1	2	2	1	-	-
Harpy	-	1	-	-	2	2	1	-	2
Dragon	-	1	-	1	-	2	-	-	-
Dinosaur	-	1	-	1	-	2	-	-	-
Cerberus (Beast)	1	1	1	1	-	-	1	-	2
Spider	-	-	-	-	-	2	-	-	-
Rock	1	-	-	-	-	-	-	-	-
Crab	-	-	1	-	2	2	-	-	1
Skeleton	1	1	1	1	2	2	1	1	1
Piece	1	1	1	1	2	2	1	1	-
Cat	1	1	1	1	2	-	1	-	2
Dog	1	1	1	1	-	-	1	-	2
Rat	-	-	1	-	-	-	1	1	1
Shell	-	-	-	-	-	-	-	-	1
Catgod	1	1	-	1	1	1	1	-	1
Machinegod	1	-	1	1	2	-	1	1	1
Undeadgod	-	1	1	1	2	2	-	-	-
Machine	1	1	1	1	2	2	1	1	1
Wisp	1	-	-	-	-	-	-	-	-
Chicken*	1	-	-	-	-	-	-	-	-
Stalker	-	1	-	-	2	2	1	-	-
Catsister	1	1	1	1	2	2	1	1	1
Yeek	1	1	1	1	2	2	1	1	1
Yith	-		-	-	4	4	-	-	-
Servant	1	1	1	1	2	2	1	1	1
Horse	-	-	-	1	-	-	-	-	2
God	-	-	-	-	2	-	-	-	-
Quickling	1	-	1	1	2	2	1	-	1
Metal	1	-	1	1	-	-	-	-	-
Bike (Behicle)	1	-	1	1	2	-	-	1	2
Bacteria†	-	-	-	1	-	-	-	-	-
Bird†	1	-	-	1	-	-	-	-	1
Doggod†	1	1	-	1	1	1	1	-	1
Imp†	-	1	-	1	2	3	-	-	1
Goblin	1	1	1	1	2	2	1	1	1

* Vanilla Elona only

† Elona+ only

Despite what one would expect, body parts donated are based on both the donor and recipient. For example (given all unaugmented donors and recipients), when a brown bear has a gold bell merged into it, the bear gains a head. When the brown bear has a blade merged into it, the bear gains a body. Conversely, when a rat has a gold bell merged into it, the rat gains a body. When the rat has a blade merged into it, the rat gains a head. This is counter-intuitive. If one is looking for a specific body part and does not have a large supply of domination magic, it is easiest to look for a creature which cannot donate anything else. For example, a bat only has three slots: Head, Shoot, and Ammo, therefore it cannot donate anything other than Head.

Some races will first give legs up to 2 pairs, which may be undesirable because of speed penalty. (This is not true of the carbuncle, perhaps others?)

Human pets without any additional body parts will never give body parts to the recipient.

Note that augmented pet's offspring will be of the normal type.

Humans can give a 3rd "Leg" slot to these who have gained a second one through a horse, dog.. etc., but they cannot give a second one. (Could not duplicate this with a rat given a second leg by a carbuncle and an unaugmented little girl. How would a human get a 3rd leg? This contradicts the idea that the donor cannot donate more of a body part than they have.)

Mutant genes

There are NPCs of mutant race in the game; they possess the same mutant feat a mutant player would. An obvious example is NPC of the same name (mutant). Mutants grow a new (random) body part every three level ups (up to level 36), and as long as a mutant has more slots of a type than a recipient, it is able to pass the slot gene. Mutants don't grow new bodies and ranged slots; pretty much anything else seems to be possible (multiple necks for example). Mutants aren't the fastest breeders around so you'd probably want to get the "usual" item slots some other way.

Mutants are low-level monsters so you can easily level them up by adding genes from pets bought at slave market.

Keep in mind that a donor can only donate a single body slot, so if a mutant has five ring slots combining it with a normal humanoid will only result in the recipient having three ring slots.

Elona+

As of version 1.17 of Elona+ you can have Doctor Gavela add more body parts to a pet at the cost of life. Unfortunately, limbs gained this way can't be transferred via gene engineering.

Table of Donors

Note that depending on donor OR recipient, the body part received can change.

Donor	Body Parts	Skill	Recipient
<Bishop>	(none)	Alchemy, Magic Capacity	golden knight
<Pawn>	Arm	Literacy	asura
<Pawn>	Arm / Neck	Literacy	wild horse
acid slime	(none)	Sense Quality	golden knight
alien	(none)	Traveling, Greater Evasion	golden knight
alien	(none)	Traveling, Greater Evasion	little girl
asura	(none)	Greater Evasion, Anatomy	golden knight
asura	(none)	Greater Evasion, Dual Wield	little girl
asura	Hand	Two Hand, Greater Evasion	wild horse
bat	(none)	Greater Evasion	golden knight
blade	Waist / Ring	Disarm Trap	wild horse
blade alpha	Back	Lock Picking	wild horse
blade alpha	Back	Disarm Trap	fire dragon child
brown bear	(none)	Eye of Mind, Performer	little girl
brown bear	Arm	Performer	fire dragon child
cat	Leg	Greater Evasion	golden knight
cat	Neck	Greater Evasion, Performer	wild horse
centipede	Ring	Eye of Mind	cyclops
chaos eye	Head	Detection	wild horse
Child boar	Hand	None	Acid slime
chicken	Head	None	wild horse
deformed eye	(none)	Detection, Anatomy	<Isca> the fallen angel
deformed eye	(none)	Detection, Anatomy	knight of elea
deformed eye	(none)	Detection, Anatomy	little girl
Dragon		Jeweler	Quickling
Elenor (roran)		Magic practice	Quickling
electric cloud	(none)	Control Magic	golden knight
fallen soldier	(none)	Casting	little girl
fire centipede	(none)	Eye of Mind	younger sister
fire centipede	(none)	Eye of Mind	little girl
fire centipede	Ring	None	wild horse
Fire hound		Barrier, mind control	Dragon
gangster	(none)	Tactics / Negotiation	gold bell
goblin	(none)	Eye of Mind	little girl
goblin	Ring	Eye of Mind	silver bell
goblin warrior	Leg	Mining, Eye of Mind	gold bell
goblin warrior	Ring	Mining	orc warrior
goblin wizard	Waist	Literacy	gold bell
greater pumpkin	(none)	Literacy	golden knight
grudge	Ring	Magic Device	gold bell
hand of the chaos	Ring / Arm	Eye of Mind	wild horse
hand of the dead	(none)	Eye of Mind	little girl
hand of the dead	Hand / Arm / Ring	Eye of Mind	wild horse
hand of the dead	Hand	None	fire dragon child
hand of the murderer	(none)	Eye of Mind	little girl
harpy	Leg	Magic Capacity, Magic Device	golden knight
harpy	Hand	Magic Capacity, Magic Device	wild horse
hedgehog	Hand	Disarm Trap	wild horse
hermit crab	Leg	Swimming	fire dragon child
hungry sea lion	Hand	None	wild horse
imp	Neck	Memorization, Control Magic	gold bell
imp	(none)	Memorization, Control Magic	little girl
juere infantry	(none)	Two Hand	gold bell
juere infantry	(none)	Lock Picking	little girl
kamikaze yeek	Ring	None	gold bell
kamikaze yeek	Hand / Head	None	wild horse
kobold	Hand	Two Hand, Magic Device	noyel horse
lame horse	Leg	None	gold bell
lame horse	Leg	None	Younger Sister
lesser mummy	(none)	Fishing
lesser phantom	Back	Memorization, Disarm Trap	<Isca> the fallen angel
lesser phantom	(none)	Magic Device, Disarm Trap	Knight of Elea
lesser phantom	(none)	Memorization, Disarm Trap	little girl
lesser phantom	(none)	Memorization, Disarm Trap	young lady
lesser phantom	(none)	Memorization, Casting	younger sister
little girl	(none)	Tactics	cobra
little girl	(none)	Tactics	gold bell
lizard man	Head	Two Hand	<Isca> the fallen angel
lizard man	Waist	Two Hand	gold bell
lizard man	Arm	Two Hand	wild horse
military putit	(none)	Disarm Trap	putit
minotaur	(none)	Eye of Mind	golden knight
minotaur boxer	(none)	Eye of Mind	golden knight
minotaur boxer	(none)	Tactics, Eye of Mind	harpy
Mummy		Two Hand	Quickling
nurse	(none)	Two Hand	gold bell
orc warrior	Arm	Two Hand	wild horse
Public performer	(none)	Negotiation	little girl
Public performer	(none)	Tactics	gold bell
Public performer	(none)	Magic Device	golden knight
quickling	(none)	Greater Evasion	golden knight
red wasp	Head	Greater Evasion	wild horse
robber	(none)	Lock Picking, Performer	little girl
rock thrower	(none)	Dual Wield, Magic Device	little girl
rogue archer	(none)	Marksman	gold bell
rogue warrior	(none)	Dual Wield	silver bell
Roran		Magic practice	Quickling
scorpion	Ring	Eye of Mind	wild horse
Sea lion, super hungry		Preformer	Quickling
shade	Hand	Magic Device, Eye of Mind	wild horse
silver cat	Leg	Performer	little girl
silver cat	Hand	Performer	silver bell
Shadow stalker	Arm	Eye of Mind	little girl
Spider	Ring	Anatomy	gold bell
stalker	Arm	Eye of Mind	golden knight
Steel mass		Lock picking	Quickling
troll	Waist	None	cyclops
wasp	(none)	Greater Evasion	golden knight
wasp	(none)	Greater Evasion	little girl
wasp	Head	Greater Evasion	wild horse
wild horse	Leg	None	gold bell
wild sheep	(none)	Traveling	magic spirit
yeek archer	(none)	Marksman	little girl
yeek archer	Arm	Marksman, tailor	wild horse
Yerles machine infantry	(none)	Marksman	silver bell
Yerles machine infantry	(none)	Literacy, Negotiation, Marksman	gold bell
young lady	(none)	Performer	golden knight
younger sister	(none)	Dual Wield	gold bell

Notes: The gold bell may have been used as a recipient once or twice before 'test 'recording. Therefore it's possible that entries are incomplete for gold bell being recipient. As this is a public wiki, any recipient (especially little girl) may potentially be insufficiently tested.

Table of Skills

Want to add a skill to a recipient? This table will show you which donors give the skills. Do note that you might need to give other skills first before the skill you want shows up.

Some skills are not listed, because they are very common, or you get them automatically. And most donors have them. These are, Tactics, Two Hand, Long Sword, Axe, Martial Arts, Scythe, Healing, Shield, Heavy Armor, Medium Armor, Blunt, Polearm, Stave, Light Armor, Evasion, Short Sword, Bow, Crossbow, Throwing, Stealth, Firearm, Faith, Meditation, Casting, Magic Device

Not all possible donors are listed, just the more common or easy to get variants.

Skill	Donors
Weight Lifting	Little girl
Mining	Goblin,
Carpentry	Ents, Giants, Hands
Lock Picking	Robber, Public performer, Thief,
Dual Wield	Robber, Public performer, Thief
Tailoring	Mercenary archer, Farmer, Cupid of Love,
Pickpocket	Robber, Public performer, Thief,
Jeweler	Wizard of Elea, Rogue wizard,
Disarm Trap	Yerles machine infantry, Rogue archer,
Sense Quality	Hermit crab, Fire ent, Noyel horse, Little Boy
Detection	Yerles machine infantry, Rogue archer, Ent
Fishing	Flying frog, Goblin, Zombie, Putit,
Eye of Mind	Goblin, Ents, Noyel horse, Little Boy
Greater Evasion	Bats
Marksman	Yerles machine infantry, Rogue archer
Literacy	Wizard of elea
Memorization	Wizard of elea
Alchemy	Wizard of elea
Anatomy	Mercenary archer, Sheep, Chicken, Spider, Ent
Gardening	Farmers, Ents, Little Boy
Cooking	Rogue wizard, Farmers
Gene Engineer	Nurse
Magic Capacity	Mercenary wizard, Mandrake
Traveling	Little girl
Riding	Mercenary archer, Rabbit
Control Magic	Fallen soldier, Mercenary wizard, Mercenary archer
Negotiation	Gangster, Public performer, Thief
Investing	Little girl
Performer	Public performer
Swimming	Flying frog, Hermit crab

Notes:

• Flying frog, as swimming and fishing are good skills to get on pets, it might be useful to start a breeding program of flying frogs, and due to their high breed power, you don't need to breed them that long.

Omake

In Omake and its child variants, a shining donor, such as Gold bell, will result in the recipient receiving the shiny appearance. This has no other effect besides aesthetics.

Trained skill

You may learn Gene Engineer from the trainers in Port Kapul and Palmia.

Races

• None
• Eye Elona+ 1.99
• Lich Elona+ 1.99
• Mutant Elona+ 1.99
• Zanan Elona+ 1.99

Classes

• None

Wishing

• #gene engineer may increase Gene Engineer by 1 level and train its potential, but may raise Greater Evasion instead.
• gene m will create a gene machine; this will only work in wizard mode.

Elona Mobile

• In mobile, Gene Engineering is a Magic stat based skill.
• Gene Engineer can be trained by searching Machine Fragment piles, found in Fort type random dungeons.
• In addition to the Gene Engineering machine you receive from a quest, there is a machine in Vernis.
• Any unit can donate a part if it has more of a part than the target but the donation is not guaranteed.
• The skills a unit can give are the skills that unit has, which are based on its race and class. The rare exceptions from this are units that can't be found in the world (gacha or exclusive packs).
• All units start with some skills (anatomy, faith, greater evasion, weapon skills and others) so those will be ignored from the list bellow, since everyone can donate but nobody needs them.

Table of Skills

Skill	Donor
Alchemy	Mushroom Race Wizard Class
Barrier	Eulderna, Imp, Asura, Cat, Metal, Dog, Bat, Dinosaur & Quickling Races. Pianist, Wizard & Claymore Classes.
Blacksmith	Goblin Race. Claymore Class.
Bless	Angel Race. Priest Class.
Carpentry	Ent, Elea & Giant Race.
Detection	Vampire & Eye Races. Gatherer Class.
Disarm Trap	Ghost, Machine, Mount & Crustacean Races.
Dual Wield	God Pet & Asura Races. Thief Class
Elemental Channel	Fairy Race. Summoner Class.
Eye of Mind	Goblin, Bear, Beast, Bird, Hand & Minotaur Races.
Fishing	Naga, Goblin & Zombie races. Tourist & Gatherer Classes.
Gardening	Karune Race. Gatherer & Farmer Classes.
Gene Engineer	Gwen the Brave & Queen Ridora.
Investing	Roran, Frog & Wild Sheep Races
Jeweler	Dwarf & Dragon Races.
Literacy	Mandrake, Euderna, Imp, Roran, Chess Piece & Yerles Races Pianist, Wizard, Summoner, Claymore, Warmage, Priest & Gunner Classes
Lock Picking	Juere, Machine, Mount & Armor Races
Magic Capacity	Elea, Mandrake, Ghost, Vampire, Metal, Chess piece, Mythical Creatures, Mutant & Yith Races. Wizard & Warmage Classes.
Magic Practice	Elea, Euderlena, Rock, Notherner, Lich, Little Fairy & Beetle Races. Wizard & Warmage Classes.
Marksman	Hunter & Gunner Classes.
Memorize	Mandrake & Imp Races. Pianist & Wizard Classes.
Mind Control	Mythical Creatures, Dog, Dragon, Spirit & Drake Races Warmage Class
Mining	Rock, Golem & Rat Races Gatherer Class.
Nature Lore	Elea, Mandrake, Mutant & Fairy Races. Tourist Class
Necromancy	Ghost, Ant & Lich Races Raider Class.
Negotiation	God Pet, Juere, Yerles & Yeek Races. Thief & Farmer Classes.
Performer	Juere, Cat, Frog, Bear, Beast, Slime & Zanan Races. Pianist Class.
Pickpocket	Fairy & Vampire Races. Thief Class.
Psychic	Summoner Class
Recovery	Little fairy Race. Pianist, Summoner & Priest Classes.
Riding	Rabbit Race. Pianist & Hunter Class.
Ritual	Summoner Class
Secrecy	Summoner Class
Shadow Mastery	Kobolt Race. Thief Class.
Tailoring	Mushroom Race. Farmer & Hunter Classes
Two-Hand	God Pet & Notherner Races. Claymore & Warrior Classes.
Weight Lifting	Angel, Karune & Golem Races. Pianist Class.