Spikes is a fail in the Rapidly Promoted Executive/Relentless Bounty Hunter routes of Infiltrating the Airship, which appears during a Quick Time Event. When chosen, Henry's cannon ball grows spikes. It stops moving, then gets crushed. This leads to a fail.
There is a possibility which shows two messages
Fail Message[]
"I see you went with a defensive move.
Good choice."
One message.
Gallery[]
Two messages.