How to summon and defeat the Twins in Terraria

The Twins in Terraria are playing out the Eye of Cthulhu’s evil twin fantasy. The Twins are the more difficult Hardmode version of Eye of Cthulhu.

All Terraria bosses list in order

Mechdusa - Official Terraria Wiki

How to Summon and Beat the Twins in Terraria

Terraria how to get MECHANICAL EYE (EASY) Terraria 1.4.4.9 + Mechanical Eye

I've beaten every mech boss besides the Twins, and I CANNOT kill them. Is it my gear? I'm a mage, should I change any of this stuff? : r/Terraria

Terraria The Twins Boss Guide: How To Summon, All Loot, & Tips and Tricks

Terraria bosses list and guide

All Terraria bosses list in order

I'm so annoyed trying to beat the twins, so painful making the potions over and over again. So, got this house built in the meantime. rainbow blocks ^-^. Any tips for expert