Tendrils

Rank	Effect	Flavor
1	20% chance of passively attempting to disarm opponents who strike you with a weapon.	You are covered in slimy tendrils that may disarm your opponents.
Disarm logic: The attacker is disarmed if X > attacker's HD (or the attacker's HD*1.5 for enemies with fighter flag). X is random number between 1 and the player's STR or DEX (whichever is greater).
Jiyva mutation