Heliana's Guide to Monster Hunting, pg. 220
You manipulate magical essence with a quick and subtle touch.
• Increase your Intelligence, Wisdom, or Charisma by 1, to a maximum of 20.
• When you make an Enchanting check with a skill with which you are proficient, your proficiency bonus is doubled.
• When you roll for enchanting quirks, you can apply a bonus or penalty to the result of the roll equal to half your proficiency bonus.
• Each hour you spend enchanting an item counts as 2 hours towards the item’s completion.