Blacksmith

Having honed your talents at the forge, you gain the following benefits:

• You gain proficiency with smith's tools. If you are already proficient with them, you add double your proficiency bonus to checks you make with them.
• While crafting items using smith's tools, you can work in 10 gp increments, rather than 5 gp increments.
• Over the course of any short or long rest, you can sharpen one nonmagical melee weapon that does piercing or slashing damage and give it a bonus to damage rolls equal to your proficiency bonus. Once you have dealt damage with the weapon a number of times equal to your level, the bonus goes away.