Retro Tower Defense Item Upgrade Hub

All item upgrade pages for Retro Tower Defense in one place.

• How to upgrade Ascension Stone in Retro Tower Defenseroblox
• How to upgrade Banner Token in Retro Tower Defenseroblox
• How to upgrade Evolution Item in Retro Tower Defenseroblox
• How to upgrade Mythic Orb in Retro Tower Defenseroblox
• How to upgrade Raid Ticket in Retro Tower Defenseroblox
• How to upgrade Secret Unit in Retro Tower Defenseroblox
• How to upgrade Shard Chest in Retro Tower Defenseroblox
• How to upgrade Trait Reroll in Retro Tower Defenseroblox