My combat arena with easy access Nurse/Dryad house

The arena is simple in design but offers a place to do just about any event or surface boss fight. there is a single npc house that has been divided into 2 with the bare minimum for what is

Here is my moonlord arena. I need help : r/Terraria

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So I was fighting the OOA (pre-Golem) and since I placed the arena between this 2 houses, this 2 helped me do deal A LOT more damage 😂. : r/Terraria

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what should i do to make my life easier? (im getting ready to fight the twins and skeletron prime) : r/Terraria

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