Forgotten Arrows

Forgotten Arrows are used by the Spinal Ray and cannot be crafted. It is able to pierce an infinite amount of monsters before it hits a block, where it bursts into a small explosion and cannot be picked up.

It is seemingly not effected by gravity

Stats

 * 30 Damage
 * Infinitely pierces monsters
 * Explodes after hitting a block
 * The explosion inflicts the On Fire! debuff