Sacrifice in help

Pray -> sacrifice
Explain the basics of religion.
Nerf vampiric dagger

Its attack bonus was too high. This already makes it +1 better than
other daggers (and daggers are quite accurate, given their double
tension bonus).
Chain golem no longer "dominates"

Small prose change to ensure that the chain golem and the huge forge are
no longer both described as "dominating" the room.
Bump ATTACK

We now include ATTACK 4/130629 (which has the new unwield command).