In Elden Ring, the Spirit Summons system adds a strategic layer to combat, allowing players to call upon spectral allies to support them in battle. While these spirits often act independently, their effectiveness can be significantly influenced by the use of buff items. Understanding how these interactions work can provide players with a competitive edge in both PvE and challenging boss encounters. Below are five key ways Spirit Summons interact with buff items in Elden Ring—knowledge that every Tarnished should take advantage of.