Colossus's Core

The Colossus's Core is the trophy of the Dunes of OblivionDunes of OblivionContinent 32 different echoes to track2 different relics to dig upIts boss is Oblivion Colossus and the steepest count of any regular portal: the gate to the Mist ArchipelagoMist ArchipelagoContinent 42 different echoes to track2 different relics to dig upIts boss is Mist Serpent asks for six. Earning them is a pure memory exam: the Oblivion Colossus plays the Runes — a Simon of ten rounds with sequences growing from 2 to 6 runes — and every miss doesn't just cost a heart: it changes the sequence, so there's no second try at the same one.