Runes/Weapon/Bow of Light
Bow of Light
4 Ink, 4 Redstone, 1 torch OR 1 Redstone Torch OR 1 Soul Torch
1 use, produces a bound rune
When the bound rune is created, use the bow like normal and a torch (or redstone torch) will be placed if the arrow hits a block. Placed torch depends on type of torch used in rune.
Right click the rune block with the bow.