PIERCES SPELL IMMUNITY:No
Drenches an area in sticky oil, amplifying damage from Batrider's attacks and abilities and slowing the movement speed and turn rate of enemies in the area. Additional casts of Sticky Napalm continue to increase damage, up to 10 stacks. The extra damage is halved against creeps.
All damage from Batrider gets amplified, except for Radiance, Orb of Venom, and Urn of Shadows.