My current master mode arena : r/Terraria

Elynsa on X: I tried to make a Boss/Event Arena that balances aesthetics and gameplay. This can be made once you get the Mechanic. The only solid blocks within support the Buffs.

simple boss Arena - Terraria Maps - CurseForge

A nice and simple arena. : r/TerrariaDesign

The Ultimate Arena (AFK/non-AFK versus Moon Events, Invasions, All-Boss)

Finally Finished My Boss Arena : r/Terraria

SpartanNerd Follow Up…Terraria

Best Boss Areana World Terraria - Colaboratory

Incognito on X: In the process of building a HUGE boss arena #Terraria / X

Made a floating arena just to fight the Old One's Army (Decoration still a WIP) : r/Terraria

Grouping and Soloing in Terraria Hardmode – Why I Game