Saving Gielinor/Zamorak/op2

You grab the Dark Bow and 1000 dragon arrows. You see the creatures who attacked earlier flying through the air. You load up 2 arrows and fire at one of the creatures you identify as Avianse. The arrows kill the creature, saving a knight. You load up 2 more arrows, and see another Avianse charging at you. You take aim. You...

Fire at his head.

Fire one arrow at his right wing, and another at his left.

Withdraw a poisoned Dragon Dagger from your boot and stab!