Final boss, the MOBY and the Rhizo (spoilers)

Quick answer

Jeb sells a new bait, and fishing with it starts the final boss, which has its own map. Beating it unlocks the MOBY rod and the Jeremy Wade difficulty. The MOBY is required for the Rhizo, a mythic fish in deep Lake water. Kingy hasn't reached the boss; these steps come from GONE Studios' 1.0 notes and the 1.0.1 menus.

How this guide was checked

Coverage: Released October 20, 2026 (left Early Access) · Windows on Steam · same-day Hotfix · October 21 Yeti fix post · October 22 BUFFS patch (no build numbers given) · Kingy played Build 1.0.1 (Steam build 26083362) on Windows 11 from the main menu to day 1 in the cabin and read the whole Journal, October 20, 2026 · official news feed checked October 22, 2026 UTC. Research checked 22 Oct 2026. Updated 22 Oct 2026

This guide uses the linked sources and any attributed demonstrations. Platform differences and limitations are noted with the advice they affect.

See the 7 sources
7 sources

Open marked sections to reveal solutions or story details.

Before you start

  • Spoilers for the ending. Official 1.0 notes and fix posts through October 22, plus Kingy's 1.0.1 menu and Journal checks, October 20, 2026. The fight itself isn't tested.
1

How the fight starts

Reveal solution / story details

Under the heading about the Lake Entity's full form, the 1.0 notes say Jeb now stocks a new bait, and fishing with it starts a serious challenge. The fight has its own map with traders; the hotfix fixed their textures.

The boss has a whale nuke attack. Until GONE Studios' October 21 fix it wasn't always visible but still did damage; now you should see it coming.

The October 22 patch made the fight easier. The boss's eyeball hitbox is 50% bigger. Its rolling turtles are more spread out, have smaller hitboxes and hit for 60 damage instead of 75. Your HP regenerates 10% faster and starts after 6 seconds instead of 7.5.

Our untested suggestion: prepare as you would for legendary fishing, with your best rod and line, high-tier bait and a full group if you have one.

Sources for this section
2

What beating it unlocks

Reveal solution / story details

The MOBY rod, and with it the title of Jeremy Wade apprentice. The 1.0.1 Create Lobby screen confirms the other reward: it says to unlock Jeremy Wade difficulty by defeating the boss.

After the boss, upgrading the butcher table gives two hearts, the tier 6 bait. The same-day hotfix fixed it handing out only one.

The 1.0.1 Journal still says Jeb sells the MOBY. Whether you can buy it before beating the boss isn't confirmed.

Sources for this section
3

The Rhizo

Reveal solution / story details

Season 1.0's new mythic lives in deep water on the Lake map, and GONE Studios calls it one of the hardest catches yet. You need to have beaten the boss and to have the MOBY. Its achievement, This fish preys on Nessie, had a 0.1% unlock rate on release day, as did the hidden boss achievement.

Sources for this section

You’re ready when…

Your checklist

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Sources · 7Walkthrough · Official · checked 22 Oct 2026 · Research checked 22 Oct 2026
Kingy test run: Build 1.0.1 menus, lobby, intro and Journal ↗Kingy's own session in the retail game through Steam on Windows 11: menu label Build 1.0.1, Steam build 26083362, keyboard and mouse, solo on the Lake at Average Angler, October 20, 2026. Covered the main menu, save slots, Create Lobby, perks, lobby options, the intro, picking up a rod in the cabin on day 1 and every Journal page. Casting, the fishing minigame, the altar, traders, other maps, the boss and co-op were not played. Screenshots were captured from the game window during that session.Walkthrough ·
GONE FISHING 1.0 FULL RELEASE IS NOW LIVE!!! ↗1.0 notes: ending and final boss, the MOBY, Season 1.0 and the Rhizo, 8 trinkets from Clinket the Trader, Yeti rework, traps and the Fish Trap, hats, the musket, price and quota scaling, save encryption and the November 20 migration cutoff, leaderboard wipe, anti-cheat, Journal V2 and fixes.Official ·
Hotfix ↗Same-day fixes: legendary and mythic achievements now go to everyone in the lobby, trader textures on the final boss map, and the upgraded butcher table giving one heart instead of two.Official ·
Were talking YETI, were talking fixes ↗Post-launch fix list: bait can be unequipped again, the Yeti spawns on the Arctic, the Lake crocodile no longer throws players under the map, the final boss's whale nuke is always visible, item text no longer overlaps prices, the Journal works in all languages, and the Megalodon hat can be seen and selected.Official ·
BUFFS BUFFS BUFFS ↗Progression buffs and boss tuning: cheaper shop items and line, rod and sinker upgrades, better gambling odds, more Skeeter muskets, troll from day 2, a bigger boss eyeball hitbox, weaker rolling turtles, faster HP regen, Arctic spawn changes and fixes.Official ·
GONE Fishing 1.0 Preview! FULL RELEASE on OCTOBER 20th ↗Pre-launch overview of 1.0 content; says defeating the boss unlocks the MOBY and Jeremy Wade difficulty.Official ·
GONE Fishing global achievements ↗53 achievements, 24 of them hidden, with names, descriptions, Steam's internal achievement names and global unlock rates. The achievements guide quotes rates read on October 21, 2026 at about 04:45 UTC; the final-boss and rare-fish guides quote release-day rates.Official ·

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