Terraria 1.3: Duke Fishron Pre-Mech Boss guide (normal mode)
This video will teach all that need help taking down this boss in normal mode before the mech bosses. Please not that this is normal mode, meaning no Shield of Cthulhu meaning a slightly harder fight for those who desperately need mobility gear.
Armor: Titanium (headgear)
Weapon: Crystal Serpent (reforged to mythical)
Accessories: Frozen wings, Mana flower, Sorcerer emblem, Blizzard in a Balloon, Frostspark boots (modifiers don't matter for these)
Buffs: Clairvoyance (right clicking crystal ball bought from the wizard npc), Well fed