How to Tame X-Rex in ARK
Volcanic variant of the Rex found in Genesis volcanic biome. Takes 3% less damage.
Quick Facts
- Diet
- Carnivore
- Temperament
- Aggressive
- Tame Method
- Knockout
- Rideable
- Yes
X-Rex Taming Details
X-Rex is a knockout tame. Its most effective taming food is Kibble (preferred) or Raw Mutton.
Alternative foods: Cooked Lamb Chop, Raw Prime Meat, Cooked Prime Meat, Raw Meat.
Harvest yield: a tamed or killed X-Rex drops Raw Meat, Raw Prime Meat, Hide.
Taming Steps
1. Prepare your gear
Bring Tranq Arrows or Tranq Darts, a Crossbow or Longneck Rifle, Narcotics or Narcoberries, and bug repellent.
2. Locate the creature
Find a wild X-Rex on supported maps. Check the spawn map and bring a fast mount or a flyer for transport.
3. Knock it out
X-Rex is a knockout tame. Use a Crossbow, Longneck Rifle with Tranq Darts, or Shocking Tranq Darts. Aim for the head for bonus torpor and keep distance to avoid aggro damage.
4. Feed the right food
Place Kibble (preferred) or Raw Mutton in its inventory (alternatives: Cooked Lamb Chop, Raw Prime Meat, Cooked Prime Meat, Raw Meat). Higher-tier food gives faster taming and higher level bonuses.
5. Maintain torpor
Watch the torpor bar. Feed Narcoberries or Narcotics to prevent it from waking up before the tame completes.
6. Claim & saddle
Once tamed, equip a saddle (unlocks via the engram tab) to ride your X-Rex.
X-Rex base stats
Level 1 wild values, with the gain each point adds in the wild and after taming.
| Stat | Base | Per wild level | Per tamed level |
|---|---|---|---|
| Health | 1100 | +20.0% | +27.0% |
| Stamina | 420 | +10.0% | +10.0% |
| Oxygen | 150 | +10.0% | +10.0% |
| Food | 3000 | +10.0% | +10.0% |
| Weight | 500 | +2.0% | +4.0% |
| Melee damage | 1 | +5.0% | +10.0% |
| Movement speed | 1 | +0.0% | +1.0% |
| Torpidity | 1550 | +6.0% | +0.0% |
Taming & saddle figures
Breeding & movement
Where it spawns & other details
X-Rex spawns on Genesis: Part 1, Fjordur, Genesis Part 1.
X-Rex variants
- Brute X-Rex (Genesis: Part 1)
Related tools & resources
X-Rex — Background & Lore
The X-Rex is the volcanic X-variant of the 
Rex from Genesis Part 1. It is the classic apex carnivore with a volcanic look, and it can be tamed, ridden and bred like a normal Rex.
Where to find it
- ASA: the volcanic biome of Genesis Part 1.
- ASE: the volcanic biome of Genesis Part 1, and also Fjordur. It is a rare spawn on both.
Taming
A knockout tame. It is aggressive and hits hard, so knock it out from a high or protected spot and feed it meat. 
Raw Prime Meat tames faster than regular meat.
Breeding
- Egg: hatches in about 5 hours.
- Temperature: warm incubation, 32 to 34 °C in ASE.
- Growth: a baby takes about 3.9 days to mature at 1x.
Uses
Combat and boss fights, like the regular Rex. Its carcass gives 
Raw Meat, Raw Prime Meat and 
Hide.
Tips
Wild X-creatures on Genesis Part 1 are tougher than normal ones. Bring far more tranquilizers than you would for a regular Rex.