Updated a bunch of sprites and a couple descriptions.
Desert Spirit (Crimson)
Damage: 55 (melee), 95 (ranged)
Max Life: 150
Defense: 20
Drops: Spirit Flame (1-3, 50%)
Description: Shoots red flames directly at the player and explode when near the player.
Dinosaur Skull
Use Time: 19 (Fast)
Dropped by all Hardmode Underground Desert Enemies (0.5%)
Description: Summons a rideable Raptor Mount.
Raptor
Description: Rideable Mount. Runs slower than the Unicorn Mount but faster than Hermes Boots. Only has a single jump and can be turned much quicker than the Unicorn Mount. Damages mobs directly in front of it regardless of speed.