Potental Bug: Wavy Jones

Unsure if this actually a bug or just a "needed" rebalance. "Wavy Jones" shadow creature is overly active, appearing almost immediately after being chased off. Also appears ever night, with no obvious way of preventing/chasing it off for good for that night. Potentially able to make holes in boats (unsure if that's a feature, going under the assumption that it can only rip open boat patches) (had only one patched hole on the boat but after first attack was