FFXV Devil of the Cygillan How to Complete the Hunt and Defeat the Boss

Posted on 10 September 2026 | 161
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In Final Fantasy XV, fishing side quests offer some of the most rewarding challenges for players seeking powerful gear. Among these quests, Navyth's final challenge requires Noctis to track down and reel in the legendary Murk Grouper, better known as the Devil of the Cygillan. Mastering this encounter demands careful preparation, high-tier equipment, and precise execution during the arduous battle.

Unlocking the Angler's Nightmare Quest

To begin the pursuit of this massive aquatic boss, players must first progress through Navyth's preceding side quests across Eos. After completing Navyth's Challenge at The Vesperpool, the final quest titled Angler's Nightmare becomes available. Players must head to the Vannath Coast fishing spot located near Galdin Quay to initiate the hunt.

Recommended Gear and Equipment Preparation

Conquering the Devil of the Cygillan requires high-grade equipment to prevent line breakage during the prolonged encounter. Players should equip top-tier fishing rods like the Dragon Drain alongside high-durability lines such as Dragon's Beard. Using recommended lures like the Burrower: Abyss Worm significantly increases the likelihood of attracting this elusive fish.

Locating and Hooking the Murk Grouper

At the Vannath Coast fishing spot, the Devil of the Cygillan appears as a large yellow marker on the minimap for players with sufficient fishing proficiency. Casting near the target's trajectory and twitching the lure enticingly will eventually trigger a strike. Maintaining steady focus during the initial hook phase ensures the battle begins without wasting precious line durability.

Tactics for Defeating the Aquatic Boss

The fight against the Murk Grouper is a test of patience, requiring players to react swiftly to the fish's sudden direction changes. Reeling should only occur when the controller stops vibrating and the tension indicator remains clear. Tapping the reel button rather than holding it down helps preserve line health throughout the long struggle.

Claiming Your Rewards from Navyth

Once successfully reeled in, Noctis completes the quest and earns substantial experience points alongside the ultimate fishing reward. Returning to Navyth grants the player the Tranquility rod, which features maximum defense stats for future fishing endeavors. Successfully landing the Devil of the Cygillan stands as a true mark of mastery for any angler in Final Fantasy XV.