Making Regen bracelet (Cosmic rune, Fire rune, Earth rune)

Making Regen bracelet (Cosmic rune, Fire rune, Earth rune) in OSRS: 1 × Onyx bracelet, 1 × Cosmic rune, 20 × Fire rune, 20 × Earth rune → 1 × Regen bracelet. Profit right now: +41,882 gp after GE tax (input cost 1,900,309 gp).