Epic Boon Feat (Prerequisite: Level 19+)

As a lifelong worshipper of Gond, the Wonderbringer, you have devoted your existence to invention. Through experimentation, you have finally brought a new wonder into the world.

Ability Score Increase. Increase your Intelligence or Wisdom score by 1, to a maximum of 30.

Wondrous Prototype. Choose one skill. You craft an item that grants Proficiency and Expertise with that skill while using it. Once per turn, when you make an Ability Check using this item, you can replace the number you roll with a 10. Once per Short or Long Rest, you can replace the number you roll with a 15.

Reproducible Invention. You can recreate your prototype, but it costs 125 days and 20,000 GP to craft.