Guardian's Core

The Guardian's Core is the first boss trophy you'll ever see, and it exists to teach you the rule that governs its three siblings: you don't beat a boss once, you farm it. It drops once per victory, every single time you take down the Heart Guardian of Dawn ValeDawn ValeContinent 12 different echoes to track3 different relics to dig upIts boss is Heart Guardian, and the portal to Umbral ForestUmbral ForestContinent 22 different echoes to track3 different relics to dig upIts boss is Umbral Alpha asks for four. That four is no accident: it's the game telling you that summoning, fighting and summoning again is part of the loop — the boss cooldown is only 4 minutes, built to overlap with your farming.