Dododex
ARK: Survival Evolved & Ascended Companion

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In Ark: Survival Evolved (mobile) Argentavis is one of the best aerial tame in the game.
It has a 50% weight reduction to some resources in the game, meaning you can carry twice as much the following resources:
-Black Pearls
-Crystal
-Metal
-Metal Ingots
-Obsidian
-Organic Polymer
-Polymer
-Stone
Its saddle also acts as a mobile smithy.
I recommend leveling up its multiple Argentavis for different rolls. I normally have two rolls, one to gather resources and the other for combat.
Resource Gathering Roll:
-Primary: Stamina
-Secondary: Weight
-Tertiary: Movement Speed
Combat Roll
-Primary: Health
-Secondary: Melee
-Tertiary: Stamina
They can carry the following creatures:
-Human
-Dodo
-Dilophosaurus
-Kairuku
-Oviraptor
-Lystrosaurus
-Compsognathus
-Mesopithecus
-Jerboa
-Titanomyrma
-Dung Beetle
-Araneomorphus
-Titanoboa
-Phiomia
-Pachycephalosaurus
-Raptor
-Terror Bird
-Castoroides
-Pulmonoscorpius
-Beelzebufo
-Megaloceros
-Direwolf
-Sabertooth
-Arthropluera
-Procoptodon
-Diplocaulus
-Kaprosuchus
And the last thing i can think of is when they eat a dead creature they gain a buff to regenerate their health and stamina faster for a few seconds.