Duskflame Hex

The Duskflame Hex is a weapon added by Cyclic. Holding and then releasing right-click will launch purple fireballs that will ignite the first hostile mob hit or create a 3x3 cross of Dark Fire on the surface it lands on. The projectile and fire cannot damage friendly mobs.

Beware that the fire can ignite leaves but will not destroy them. This can lead to large fires that seem to eventually die out without any block damage done.