Tools of the Master
Wondrous Item (Any Artisan's Tool), Varies (Requires Attunement by a Character Proficient with the Tool)
Base Items: Alchemist's Supplies, Brewer's Supplies, Calligrapher's Supplies, Carpenter's Tools, Cartographer's Tools, Cobbler's Tools, Cook's Utensils, Glassblower's Tools, Jeweler's Tools, Leatherworker's Tools, Mason's Tools, Painter's Supplies, Potter's Tools, Smith's Tools, Tinker's Tools, Weaver's Tools, Woodcarver's Tools
While using this tool as a Spellcasting Focus, you gain a bonus to spell attack rolls. The bonus is determined by the tool's rarity. In addition, you can add this bonus to any ability check you make using this tool.
+1 (Uncommon) — 400 gp
+1 bonus to spell attack rolls and ability checks made using this tool.
+2 (Rare) — 4,000 gp
+2 bonus to spell attack rolls and ability checks made using this tool.
+3 (Very Rare) — 40,000 gp
+3 bonus to spell attack rolls and ability checks made using this tool.