The harpoon heads open into blades, shredding flesh and stone apart.
Passive: Harpoon Ballistas deal additional damage to dens equal to +0.1% of the den’s max health per rank of Quadruple-Bladed Bolts.
魚叉矛頭可展開利刃，撕裂血肉與岩層。
被動效果：四刃箭鏃每升一級，魚叉弩炮對巢穴額外造成巢穴最大生命值0.1%的傷害。
