This will get unlocked at Blacksmith Level 5 (Town Hall 12). The Supercell content creators talked about Furnace and Noble Iron Dumbell in the second Sneak Peek of the COC March 2025 update.

the Clash of Clans March 2025 update introduces the Noble Iron Hero Equipment for the Minion Prince, available by upgrading the Blacksmith to Level 5 at Town Hall 12. This is the fourth Common ...

A COC base is the arrangement of walls and strategic placement of the town hall or builder hall, defenses, resources, traps, and other buildings. Players design unique Clash of Clans layouts according ...