[Akame]

The +25% damage against youkais or targets installed, or being treated as being installed via Soul Chains doesn't seem to be working. As in, there is no additional damage being done. Tested with Rising Tide and basic attacks.
Debug info, if this helps.

Code:

Debug: Rising Tide - /obj/skill/rising_tide
Debug: Checking cost negation effects.
Debug: Total Power for Rising Tide / Fish Remains Mythslayer was 238.6. (Not installed)
Debug: Hit Rate of 188 VS Dodge Rate of 66
Debug: Movement: In a battle and no tactarg or tac_move.
Debug:   0
Debug: Rising Tide - /obj/skill/rising_tide
Debug: Checking cost negation effects.
Debug: Total Power for Rising Tide / Fish Remains Mythslayer was 263.6. (Installed. +25 power from Youkai Tamer)
Debug: Hit Rate of 188 VS Dodge Rate of 84
Debug: Movement: In a battle and no tactarg or tac_move.
Debug: Total Power for Fish Remains Mythslayer / Fish Remains Mythslayer was 176.
Debug: Before Use Skill called. Sadistic Heretic, Glaive Krieger, Attack, 1
Debug: Basic Attack - Weapon Fish Remains Mythslayer; 0
Debug: Total Power for Fish Remains Mythslayer / Fish Remains Mythslayer was 176.
Debug: 0&&1