Upgrade Cost and Duration

Gold is the major currency used for upgrading towers, traps, spells, and troops. This page provides complete information on how much gold you need to spend and how long you have to wait when upgrading any of the mentioned game elements.

THRONE ROOM

INVENTOR'S WORKSHOP

TROOP ACADEMY

WIZARD'S TOWER

TREASURE CHAMBER

CASTLE GUARD

CASTLE GATE

SILO

FARM

TAVERN