Sinus of the Shark
From Twilight Heroes Wiki
Go to Naturalist Skills (level 14 skill, trained at the Training Room)
Sinus of the Shark
Okay, so you're no bloodhound, but when you want to tree a bad guy you can sniff one out without too much trouble.
Unspecified effect!
BuffCost: 15 PP
Effect
Increased chance of combat adventure.