RIP r/CalamityMod : r/Terraria

Can someone explain to me the full Calamity Lore? : r/CalamityMod

Hum do you need more than unsafe walls to create an artificial dungeon ? Else rip for ceasless void and polterghast : r/CalamityMod

PISS SEA (a.k.a old sulphur sea) : r/CalamityMod

How rare is this? because this it dropped of my first rune wizard : r/ CalamityMod

R.I.P Ocram : r/Terraria

my revengence ranger experience : r/CalamityMod

Jungle Temple? : r/CalamityMod

Infernum Boss Design Tierlist : r/CalamityMod

Rip and tear : r/CalamityMod

So I just beat scal and I got this lore and I've never seen it before and I can't find it on the wiki, does anyone know what it means : r/CalamityMod