News from the outpost is worrying. The Leviathans, these terrifying sea monsters, are converging towards the border and threatening the Kingdom. Will the Allies and the conscripts, mandated by each of the Guilds, contain them? Exploring is now dangerous: fighting is not easy, and fleeing can be even more dangerous - but the opportunity is unique to prove your worth and use this influence to gain access to the throne. In Abyss: Leviathan, the threat track is replaced by the border board on which Leviathan cards will be placed. When you explore the depths, if the revealed card is a monster, you can fight a Leviathan on the border. Some new lords and some allies will help you fight, using their power. The player who has killed the greatest number of sea monsters takes the statue and wins 5 extra points at the end of the game - and if you do not fight, you may get injured...