thing potions. Those potions allow you to breathe underwater. There's a mermaid lair at the bottom of Moonlight Lake, full of elite mermaids around level 18. It will become a great farming spot in the...l skill stones.But top-tier skill stones can only drop from King-level monsters.Land and air have all been used up, I don't have any extra.So now there is very limited room for improvement.He raised E...