Die for Your Master

If your tumor familiar is attached, and you would be reduced to 0 or fewer hit points by damage in combat (from a weapon or other blow, not a spell or special ability), the familiar throws itself in the way of the attack as an immediate action. If it makes a Reflex saving throw (DC = damage dealt), it takes all the damage from the attack; if it fails, it takes half damage and you take half damage.

The familiar must be aware of the attack and ab