Until the spell ends, one willing creature you touch gains the ability to move up, down, and across vertical surfaces and upside down along ceilings, while leaving its hands free. The target also gains a climbing speed equal to its walking speed.
Material Component:
a drop of bitumen and a spider
Verbal Component:
Ascendenti Sicut Araneam
Verbal Component (Alternative):
Up and down, all across the walls, just like a spider moves and crawls.