Being a guardian beast of Giruvegan, set by the masters of the ancient city to guard the lowermost level against intrusion. Though originally a variety of wyvern, potent Mist has transformed its wings into sharp hook-like protrusions, a shadow of their original size. Its undying loyalty makes the Tyrant a formidable barrier to entry into the ruin's depths.
If the player has the Trident or the Icebrand, it is advised to equip them. The player cannot use Technicks in this battle, so the party cannot steal from the enemy. Tyrant focuses its attacks on one target at a time. Tyrant is weak to Ice, and it does not have the typical defense increase on low health bosses usually have. It is also susceptible to Confuse.
Bubble or Bubble Belt are useful. If one has an overabundance of MP, they can summonMateus. However, it is best to save MP for only healing. Since the party cannot use Charge, the player should stick with running around the field to gain MP for Raise and Curaja.
When Tyrant's HP falls below 50%, the party should cast Blizzaga to take advantage of its weakness. The Nihopalaoa + Smelling Salts trick can be used to buy time (to heal, buff, etc) if needed.
If the player has a low enough level character, the Accuracy underflow bug can be used to continuously inflict Confuse on it, making the battle trivial.