Own Altar of Caladbolg
Buy for 5,000 AC's during Dage's Birthday (March)
OR get from Treasure Chest
Place Altar of Caladbolg in your house
→ Click it
→ Accept "Pay Homage to Caladbolg" quest
→ /join evilwardage → Kill Dark Makai in Room 10
Obtain both Dual Caladbolgs and Singular Caladbolg
/join ultradage (Complete the weekly quest there)Same requirements as above
Complete the merge a second time for the Dual version
→ Head to /join ultradage → Accept "Empowered Caladbolg" quest to complete