Argentinosaurus
About
The largest creature ever to walk the earth, a hundred feet of long-necked titan whose footfalls register as distant earthquakes. It fears nothing, because nothing its size has ever needed to. It crosses the inland plains in herds whose passage is mapped by the dust they raise and the rivers they drink dry, and predators do not hunt a healthy titanosaur - they follow it, and feed on whatever its footsteps leave behind.
Stats
Save Rolls
Traits
Special Attack
Earthshaking Stomp: bludgeoning, melee 10 ft, +3 to hit, 4d10+7 bludgeoning to a creature beneath it (save Dex Quick for half). Titan Tail: bludgeoning, melee 25 ft, it sweeps its colossal tail through all in reach for 3d8+7, hurling Large or smaller creatures 20 ft and knocking them prone on a failed save, cooldown 2 rounds.
Special Defense
World-Weight Bulk: too vast to be held, moved, or knocked prone; each step shakes the ground (nearby creatures save Dex Quick or fall prone). Living Mountain: resists nonmagical damage. Senses: Vibration Sense (feels movement, 120 ft), Night Vision (120 ft).