The best picks globally to counter 海洋之灾 include 深渊巨口, 暗夜猎手, and 圣枪游侠. These are all great at countering 海洋之灾 with decent win rates over 61%. Even if these 海洋之灾 counter picks are not taken in the same position as you, it's not smart to play him into these matchups. They will most often beat 海洋之灾.
Conversely, if the opposite team picks either 翠神 or 符文法师, 海洋之灾 mains should strongly think about picking him, as he easily beats these selections with win rates over 53% against each ofthem.
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