NYXEN FLOOR 800 - New Aeonic Echo Dungeon & Hades Boss 2026

🔥 NYXEN FLOOR 800 - Aeonic Echo Insane & King Hades Boss Kill! | Soul Knight Prequel In this video I finally cleared Floor 800 in the Proving Grounds, which unlocked the brand-new Aeonic Echo dungeon on Insane difficulty. I take on the King Hades boss and show how my Nyxen build handles the challenge. ⏱️ TIMESTAMPS: 00:00 Floor 800 Proving Grounds clear 01:00 Aeonic Echo Insane mode unlocked 02:00 King Hades boss fight 03:00 Build overview & tips 🔥 What you'll see: ✅ Floor 800 Proving Grounds run ✅ Aeonic Echo Insane difficulty unlocked ✅ King Hades boss fight & strategy ✅ Nyxen build at Floor 800 ✅ New dungeon mechanics explained Aeonic Echo is the newest endgame mode in Soul Knight Prequel Season 8 — use Echoes to unlock stages, defeat bosses, and get Incarnate materials. King Hades is one of the toughest bosses this season. 👍 LIKE if this helped, SUBSCRIBE for more Nyxen endgame content & Soul Knight Prequel guides! #SoulKnightPrequel #Nyxen #Floor800 #AeonicEcho #Hades