Scroll of enchant weapon above +6 has a 2/3 chance of vaporizing the weapon and then a 1/N chance of actually increasing the enchantment by +1, so if you can ma

Scroll of enchant weapon above +6 has a 2/3 chance of vaporizing the weapon and then a 1/N chance of actually increasing the enchantment by +1, so if you can manipulate RNG you can make sure that you always get the no-vaporize +1 result.