You see Drasilla
"FCHHHHHHHH"; "GROOOOAAAAAAAAR".
Notes
Drasilias are very similar to a regular dragon. For that reason, it is highly advisable you stay diagonal to him to avoid the firewave.
Abilities
Melee (0-120), Fire Wave (100-160), Fireball (60-110), Self-Healing
Damage Taken From Elements
Physical 
Death 
Holy 
Ice 
Fire
Energy
Earth
Strategy
Just do like you would do as if you were going to solo a dragon.