Kydrak casts fly quickly and tries to fly away from the treeman who seems wanting to kill them all. He then draws his sword and starts to cast more buffing spells.
Spoiler1st:
Mage Armour
Magic Weapon x2
Expeditous Retreat
Magic Missile
+Mage Armour
2nd:
Extended Expeditous Retreat
Fire Breath
Fox's Cunning
Bear's Endurance
+Bull's Strength
3rd:
Fly
Beast Shape I
Fireball
+Haste