Old memory

The old memory is a boss that resembles a wyvern although has cuts and beam swords in him and looks angry basically the revenge of the wyvern enemy also this is a boss so that's why you bet the True terra blade now here's how you summon it: make sure it's sunset then go to the exact hight you killed your first wyvern with a true excalibur in the trash but not actually getting rid of it while there's a mud block in the 1st slot (so basically trying to make you weaker)