Malfunctioned Tek Rex
Overview
The Malfunctioned Tek Rex is a powerful carnivore with a unique twist: it can be carried as cargo by larger creatures. This allows for strategic deployment in combat or transport scenarios where mobility is key. It is typically used by survivors who need a high-damage predator that can be airlifted into position.
It can be carried by Tusoteuthis, enabling surprise attacks or rapid relocation across difficult terrain.
Spawn Locations
Malfunctioned Tek Rex does not currently spawn on any ARK: Survival Ascended map, or spawn data is not yet available.
Taming
The Malfunctioned Tek Rex cannot be tamed.
Malfunctioned Tek Rex is not tamable.
Drops & Harvest Resources
Killing a Malfunctioned Tek Rex yields Tyrannosaurus Arm, Rex Bone Helmet, Scrap Metal, Electronics, Oil, and Element Dust. The Pick is the best tool for harvesting all resources from its corpse.
| Resource |  Pick |  Hatchet |
|---|---|---|
| 60%~5~4 hits | 40%~4~3 hits | |
| 60%~5~4 hits | 40%~4~3 hits | |
| 60%~5~4 hits | 40%~4~3 hits | |
| 60%~5~4 hits | 40%~4~3 hits | |
| - | - | |
Rex Bone HelmetDrop | - | - |
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 Malfunctioned Tek Rex is highly vulnerable to spike walls, taking +400% more damage from them, making spike walls extremely effective in defense. It also takes +120% more damage from instant-damage sources and +55% more from metal melee attacks. It is fully resistant to mining drill harvesting. Melee and ranged turret attacks deal 50% less damage to it.
Kill XP
Wild Kill (1.25×)30 base × 15.9 level × 4 × 1.25× wild 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 | 1100.0 | +220.00 | +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 Malfunctioned Tek Rex has a head hitbox multiplier of 1.5x, making headshots more effective for knocking it out. Target the head when sedating to reduce required tranquilizers.
Tools & Guides
Malfunctioned Tek Rex Tips & Tricks
The Malfunctioned Tek Rex takes +400% damage from spike walls, making it extremely vulnerable in base defenses using them.
It is 50% resistant to melee and small ranged turret attacks, allowing it to withstand standard defensive weaponry.
It can be carried by Tusoteuthis, enabling aerial transport and ambush tactics.
It takes +50% more damage from explosion-based attacks, so avoid areas with mines or cannons.
This page details the Malfunctioned Tek Rex's stats, taming process, breeding mechanics, harvest drops, and combat behavior. For precise planning, refer to the taming calculator, breeding calculator, and spawn map tools available on the site.