Immunity to Weapons (Reversible)

This spell makes the recipient immune to all non-magical and some magical weapons. For shukenja of 11th level or below, the spell makes the recipient immune to normal weapons of all types. Thereafter, for every 6 additional levels the shukenja possesses, one additional plus of immunity is gained. Thus a 12th level shukenja renders the recipient immune to normal and +1 weapons, 18th level, +2 weapons or less, and so on. The subject can be struck by these weapons, but suffers no damage. The protection applies only against attacks made by weapons and weapon-like objects, not attacks made by natural abilities, in addition, creatures wielding weapons or weapon-like objects that can inflict high damage can hit creatures normally immune to normal weapons: eighteen or more points of damage hit as if they had a +1 item, 20 or more points equals a +2 item, 24 or more equals a +3 item, 28 or more points equals a +4, and 30 points or greater is equal to a +5 item. This is solely for calculating whether the subject can be hit, not the chance of hitting.

The reverse of this spell, vulnerability, lowers the plus required to hit creatures that can only be hit by magical weapons. A shukenja under 12th level lowers the plus required by -1, 13th to 18th -2, and so on. No saving throw is allowed.

The material component of both forms is a dagger worth at least 1 chi'en (5 gp), which must be shattered when the spell is cast.