Porphyria's Hold

This spell is a part of the Bio Instability spell chain and can be found in the Bio Instability rune stone.

It is sometimes said that vampires are simply ones bearing a terrible plague, one that requires them to feed to survive. Fact or fiction, what is known to the well studied seniumancer is that The Worm can inflict others with the insatiable hunger for blood. Pointing to the target, face cold and unmoved by emotion, the seniumancer releases the dark power of The Worm. The Worm enters the target invisible to any except the seniumancer, and for but a short time replaces the target's very blood with its corrupted version. The transformation is sudden and painful, the target going gaunt and pale, their canine teeth sharpening and elongating, their eyes becoming blood-shot. The target must feed.

Each round the target can attempt a Hard Mental Balance check to resist feeding. Should the target succeed, the target won't be forced to feed, but will lose their own Rest/Level Up Gen Dice of Vitality. The hunger will kill the target for not satisfying its most primal need. Should the target elect to give in and not attempt the check, they will get to make 2 attack actions and 2 support actions, however one of each must be used to feed. If they attempt the check but fail, they will feed on the nearest target - friend or foe - using their attack and support action to do so.  Either way, the target does also benefit from double move rate and double offensive power. The feeding damage dealt is equal to their offensive power.

When the spell reaches its end, The Worm returns to slumber within the seniumancer's runic soul. The target is left there, blood dripping from their lips, confused for a moment as to what has happened.