Legendary Blacksmith (5e Feat)
From D&D Wiki
You are an expert at crafting marvelous items. You gain the following benefits:
- You gain proficiency with the smith's tools. If you are already proficient with it, you add double your proficiency bonus to checks you make with it.
- You learn how to infuse items, as in the Artificer class feature. You can choose two Artificer Infusions that require 2nd level in artificer. You can only have one item infused at time.