Arcanes are not stackable anymore after next update. We have an option to disassemble our secondary Arcane and reused it to upgrade to Rank 5. : r/Warframe
Elden Ring Patch 1.03 Out Now, Get All the Patch Notes Here | Push Square
ELDEN RING
ELDEN RING
Other | R0 Arcane Grace - Game Items - Gameflip
Warframe - U22.15.1 - Arcanes, How To Equip Them, How To Upgrade Them - YouTube
Wtt Arcane Guardian And Arcane Grace - PC: Trading Post - Warframe Forums