I remember that in Lineage 2 it was cool to buff or heal monsters/mobs.
What for?
1. You can ruine enemy's guild world raid boss fight be buffing him (
if they stupid enough to not kill you first ) and then he just starting to kill the tank and you see all the healers and whole raid in panic attack

))))
2. Buffers sucks at PVP, BUT!!!! As a revenge they can catch you while you're farming and buff or heal mobs you're fighting and then you're fooqed.