Lord HAHAHA

Lord HAHAHA is a War Mode boss before the Hell Landmorak

Summoning

Lord HAHAHA can be fought before or after https://terrariafanideas.fandom.com/wiki/Shadow_Slime

But to summon him you need to kill moon lord and take the Last prism and do what you did to summon the wall of flesh and throw the last prism instead of the voodoo doll

Phase 1

Once the last prism is thrown, a chat message will appear saying "HAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHA"

Then Lord HAHAHA will appear and start shooting harpoon phaseblades at you

Phase 2 he will change appearance

and start summoning small versions of his first phase

Death

there will be a chat message that says "AHAHAHAHAHAHAHAHAHAHAH"

Drops

Eternal joy