My Expert mode boss tierlist. Explanation for Deus: Stardust Dragon deals 10% damage, and cell staff, is.... cell staff. No other good weapons for it, at least not that I found :
Terraria Supreme Buffed Stardust Cell Staff vs Calamity Mod Boss Rush - YouTube
Terraria / Characters - TV Tropes
Terraria 1.4.2.3 - Stardust Cell Staff vs ALL Bosses (Expert Mode) - YouTube
TERRAPRISMA VS STARDUST CELL STAFF IN MASTERMODE TERRARIA 1.4 - YouTube
Best Terraria 1.3 Weapons - The Stardust Cell Staff - Best Summoner Weapons Terraria 1.3 - YouTube
Stardust armor - Terraria Wiki
Terraria Stardust Cell Staff | Alex's Blog
Terraria Stardust Items: Stardust Armor Stardust Dragon - Etsy Australia
Xeno Staff - Terraria Wiki
PC - Terraprisma vs Stardust Dragon | Terraria Community Forums