Quick Scoop

To get the Frozen Leviathan in Fisch, go to Challenger’s Deep in Mariana’s Veil, then fish at the Ice Fishing Pond. The most commonly reported setup is Truffle Worm bait, nighttime , clear weather , and the winter season , with strong luck boosts and a high-resilience rod helping a lot.

Location

  • The Frozen Leviathan is found in Challenger’s Deep.
  • Some guides point to the Ice Fishing Pond specifically, with coordinates around (688, -3362, -1596).
  • You usually need to progress through Mariana’s Veil first, including the heat upgrade and deeper diving access.

Best setup

  • Bait: Truffle Worm is the most repeated recommendation, while some players also mention Fish Head or Weird Algae as alternatives.
  • Time/weather: Fish at night , during clear weather , and ideally in winter.
  • Boosts: Merlin’s Luck, server luck, and Aurora Borealis are all commonly recommended.
  • Rod: Use a rod with good luck and especially resilience , since the fish applies a heavy progress-speed penalty.

Fastest practical route

  1. Reach Challenger’s Deep.
  2. Go to the Ice Fishing Pond.
  3. Equip Truffle Worm bait.
  4. Fish at night in clear weather.
  5. Add luck boosts if you can.
  6. Use a resilient rod so the -90% progress speed is easier to handle.

Extra tip

A few videos and guides mention a faster method involving the Rod of the Forgotten Fang and a bugged interaction, but that sounds inconsistent and may not be reliable. The safer approach is the standard luck-and-resilience setup.

HTML version

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What to do Best-known recommendation
Location Challenger’s Deep / Ice Fishing Pond
Bait Truffle Worm
Conditions Night, clear weather, winter
Boosts Merlin’s Luck, server luck, Aurora Borealis
Rod focus High resilience, high luck
TL;DR: Reach Challenger’s Deep, fish at the Ice Fishing Pond with Truffle Worms at night in clear winter weather, and stack luck plus resilience boosts.