Where can you find Alpha Skeletal Rex in ARK: Survival Ascended?

Check the interactive spawn map on the Alpha Skeletal Rex spawn location page for exact spawn zones across all ARK maps. Spawn density and locations vary by map.

How long does it take to raise a baby Alpha Skeletal Rex?

A baby Alpha Skeletal Rex takes 3 days and 20 hours to reach full maturity. Eggs must be incubated between 32°C and 34°C. Use a breeding calculator for imprint timing and food requirements.

Alpha Skeletal Rex Taming, Breeding & Spawns

Alpha Skeletal Rex

IGNORE

Alpha Skeletal Rex

Spawn Command

Information

Level

Preset

Official servers currently have boosted rates! You don't need to change settings in our calculator.

Base Settings

Variant

Taming Speed

Spawn Locations

Alpha Skeletal Rex does not currently spawn on any ARK: Survival Ascended map, or spawn data is not yet available.

Taming

Alpha Skeletal Rex is not tamable.

Breeding

Open Calculator →

TypeEgg Layer

Incubation Temp32°C – 34°C

Maturation Time3d 20h

Quick Info

Saddles

Rex SaddleLv.74

Rex Tek SaddleLv.?Tek

XP Calculator

Full Calculator→

Kill XP

Alpha Kill (1.33×)

Creature Level

Kill Count

Per Kill74,860 XP

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.

Server XP

Wild Kill

Tamed Kill

Alpha Kill

Cave Kill

Boss Kill

Saddle Crafting XP

Rex SaddleBase: 86 XP · Lv.74

344 XP

Rex Tek SaddleTekBase: 86 XP

344 XP

Base × 1× quality × 4 × 1× server

Drops & Harvest Resources

The Alpha Skeletal Rex's corpse can be harvested for Hide, Raw Prime Meat. The corpse has 1,500 harvest health, allowing multiple hits before it's fully depleted.

Consult the harvest breakdown table to optimize your tool choice. Resource quantities depend on the tool used, the creature's harvest health, and your server's harvest rate.

Harvest Body HP

Melee Damage

Weapon Damage

Harvest Multiplier

Resource	Pick	Hatchet
Hide	40%~62~47 hits	60%~92~38 hits
Raw Prime Meat	60%~69~47 hits	40%~46~38 hits
Alpha Tyrannosaur ToothDrop	—	—
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's damage profile includes 14 modifiers that alter how much damage it takes from different sources. With 7 resistances and 6 weaknesses, its biggest vulnerability takes +400% extra damage - exploit that for faster kills. See the full breakdown in the table below. Values under 100% indicate resistance, above 100% indicate weakness.

MiningDrill Harvest

0%-100%

Dino AttacksStandard dino melee hits

50%-50%

Plant Species XPlant turret projectiles

50%-50%

Herbivore DinoHerbivore dino attacks

60%-40%

Stone WeaponsClub, slingshot (high torpor)

66%-34%

GenericFall damage, environmental

70%-30%

Base Stats

Full Stats →

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 Alpha Skeletal Rex has 1 hitbox zone, each with a different damage multiplier. Hit the Head (1.5x multiplier) for the highest damage per shot.

HeadCnt_Jaw_JNT_SKL

1.50x

Can Damage

The Alpha Skeletal Rex can damage: Thatch, Wood. Lower-tier structures are at risk - Stone walls or better will keep the Alpha Skeletal Rex out.

Thatch

Wood

Stone

Metal

Tek

Tools & Guides

Taming CalculatorFood, narcotics, and time for any level

Breeding CalculatorMaturation, imprint timers, raising costs

BuildingsCommunity traps, pens, enclosures

AbilitiesAttacks, harvest specs, unique skills

Tips & TricksCommunity strategies and advice

Spawn LocationInteractive maps with spawn zones

Spawn CommandAdmin commands, all variants

Alpha Skeletal Rex Tips & Tricks

Read and share community tips for the Alpha Skeletal Rex in ARK: Survival Ascended.

This page is your complete guide to the Alpha Skeletal Rex in ARK: Survival Ascended. Below you'll find a quick overview of its base stats, taming method, breeding data, and harvest capabilities — plus links to dedicated tools like the taming calculator, breeding calculator, and interactive spawn map.

At base level the Alpha Skeletal Rex has 17,500 base Health, 100% base Melee Damage, 500 base Weight. Use the taming calculator to project how these stats grow through wild levels and taming effectiveness.

Breeding Alpha Skeletal Rexs produces fertilized eggs that need incubation between 32°C and 34°C. Full maturation takes 3 days and 20 hours. Use the breeding calculator for imprint timers and food requirements.

Once tamed, the Alpha Skeletal Rex can harvest Hide, Raw Prime Meat. Visit the information tab for the full harvest table with quantities and efficiency data.

ARK: Survival Ascended features the Alpha Skeletal Rex as a carnivore creature that survivors will encounter in the wild. Classified under the Ignore group.

Its base Melee Damage sits at 100%, giving it decent hitting power. With 17,500 base Health, the Alpha Skeletal Rex is an absolute bullet sponge. Its base Stamina of 420 gives it solid stamina reserves. A base Weight of 500 means an enormous weight pool.

The Alpha Skeletal Rex roams the ARK as a wild, untamable creature. Breeding produces fertilized eggs that hatch within a 32°C–34°C temperature window. Killing a wild Alpha Skeletal Rex yields 885 base XP. It can be cloned at a Cloning Chamber for 0.87 Element plus 0.01 Element per level.

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