Enchant Crossbow Bolt (Diamond) is a spell that allows Diamond bolts to be enchanted, making them Diamond bolts (e) and imbuing them with a special effect called Armour Piercing. Armor Piercing adds a chance to hit through your enemies defence while also boosting your damage.

You can experiment with the max hit of Diamond bolts (e) as well as any other Ranged equipment using our Ranged Max Hit calculator.

This spell is available at Magic level 57, giving 67 experience. It requires 2 Law runes, 1 Cosmic rune, and 10 Earth runes to cast.