A short list of what your Guild Skills affect...

Disguise: Confuse, Defense, Mindwipe, Morph

Combat: Backstab, Enervate, Heartplunge, Strike

Genetics: Alter, Endorphines, Healing, Inject

PK: Defense, Dislocate, Induce, Venom

Swords: Heartplunge, Strike

Daggers: Backstab, Strike

Projectiles: Dartgun, Darts

Hand to Hand Backstab (not unarmed), Strike