Every turn, at the start of your turn, Strengthen the Unit to the left by 1 and Damage the Unit to the right by 1.
Added to Gwent
[Feb 06, 2017] Major Update - Nilfgaard Arrives.
- Gwent Update: March 23, 2017 Patch: Wild Boar of the Sea strength changed from 8 to 6.; Wild Boar of the Sea ability changed: he now deals 3, then 2, then 1 damage to non-Gold unit(s).
- Gwent Update: Feb 6, 2017 Patch: Added.
- See this subject on The Witcher wiki: Wild Boar of the Sea (ship)