Tyrannosaur

Tyrannosaur is fought when the party and you see it threatening a moogle in a cave. It can also be fought in the Cloister of the Dead. The Tyrannosaur is an undead. It attacks physically and its Critical Attack does higher damage. The Tyrannosaur counters every attack with an attack of its own. If attacked physically, it will counter with its physical attack, but if attacked with magic, it will counter with Poison Breath, which causes poison to you and the party in addition to the ~300 damage.