This can also be exploited to create stronger Fortify Smithing and/or Alchemy effects. This also makes elemental damage enchantments drain no energy from your weapons, meaning you never need to recharge your weapon. It is silly that I can enchant 3 items with 33% cost reduction for free spells, but then i have to spam to death anything I want to actually *kill* - my Skyrim VR char is coming up on level 60, and i'm adding Destruction to his set.
The first tab is the Disenchant screen which lists all of the disenchantable objects the Dragonborn has in inventory. Use Azura's Star or the Black Star with a soul trap enchanted weapon to trap a soul and then recharge the weapon after each soul trap to level up faster. Damage is increased by the percentage listed on the potion. The following perks from other trees affect weapon enchantments.
It is the listed damage on the spell, then either multiple by 1.25 or 1.5 depending on how many perks you have in the appropiate destruction elements.