Alpha Skeletal Rex
Ignore
Overview
The Alpha Skeletal Rex is a massive carnivore with a devastating roar ability that stuns nearby enemies. It excels in combat due to its high Health and powerful melee attacks, making it a fearsome frontline fighter. Its roar can incapacitate weaker creatures, allowing survivors to control the battlefield during raids or boss fights.
Spawn Locations
Alpha Skeletal Rex does not currently spawn on any ARK: Survival Ascended map, or spawn data is not yet available.
Taming
The Alpha Skeletal Rex cannot be tamed.
Alpha Skeletal Rex is not tamable.
Drops & Harvest Resources
Killing an Alpha Skeletal Rex yields Alpha Tyrannosaur Tooth, Alpha Rex Trophy, Rex Bone Helmet, Rex Bone Costume, Dinosaur Bone, Hide, and Raw Prime Meat. The Hatchet yields the most Hide, while the Pick maximizes Raw Prime Meat harvest.
| Resource |  Pick |  Hatchet |
|---|---|---|
| 40%~62~47 hits | 60%~92~38 hits | |
| 60%~69~47 hits | 40%~46~38 hits | |
| - | - | |
 Alpha Rex TrophyDrop | - | - |
Rex Bone HelmetDrop | - | - |
 Rex Bone CostumeDrop | - | - |
 Dinosaur BoneDrop | - | - |
Estimates based on game-extracted data (weights, quantities, harvest multipliers, damage type chains). Each harvest event independently rolls each resource - higher weight = higher drop chance. Actual yields vary with RNG.
Damage Resistances
The Alpha Skeletal Rex takes +400% more damage from spike walls, making them extremely effective for defense. It also suffers +120% damage from instant damage effects and +55% from metal melee attacks. Conversely, it is highly resistant to mining drill harvesting and ranged turret fire, both reduced by 50%. Focus on Health and Melee Damage for optimal performance.
Kill XP
Alpha Kill (1.33×)885 base × 15.9 level × 4 × 1.33× alpha kill × 1× server
Server Settings(Game.ini)
Official servers use non-1× defaults; the values above already reflect official rates.
Saddle Crafting XP
Base × 1× quality × 4 × 1× server
| Stat | Base (Lv.1) | Wild +/Lv | Tamed +/Lv |
|---|---|---|---|
 Health | 17500.0 | +3500.00 | +4.00% |
 Stamina | 420.0 | +42.00 | +2.00% |
 Torpidity | 1550.0 | +93.00 | +0.00% |
 Oxygen | 150.0 | +15.00 | +2.00% |
 Food | 3000.0 | +300.00 | +2.00% |
 Weight | 500.0 | +10.00 | +0.80% |
 Melee Damage Multiplier | 100.0% | +5.00% | +10.00% |
 Speed Multiplier | 100.0% | +0.00% | +1.00% |
Hitbox Multipliers
The head of the Alpha Skeletal Rex has a 1.5× damage multiplier, making headshots more effective for faster knockouts. All other body zones take standard damage.
Can Damage
Can break Thatch and Wood. Build at least in Stone.
Thatch
Wood
Stone
Metal
Tek| Attack | Base | Thatch | Wood | Stone | Metal | Tek |
|---|---|---|---|---|---|---|
| BiteCarnivore Rex | 170 | 935.0 | 510.0 | — | — | — |
Numbers reflect base melee at level 1, 100% TE, no imprint. The damage calculator lets you scale by melee %, server multipliers, and pick a specific structure for exact hit counts.
Tools & Guides
Alpha Skeletal Rex Tips & Tricks
The Roar ability stuns enemies within a 75-degree cone up to a weight limit of 200.\n\nStunned targets remain incapacitated for 4 seconds, with a 10-second cooldown on the ability.\n\nAfter using Roar, the Alpha Skeletal Rex enters a 6-minute cooldown lockout period.\n\nThe roar has no damage value but is purely a crowd control mechanic.
This page details the Alpha Skeletal Rex's stats, breeding, harvesting, and combat capabilities. For further planning, refer to the taming calculator, breeding calculator, and spawn map tools available on the site.