To make the Fischfest event even more exciting, Fisch released the King Crabstle update on June 27, 2026. It introduced several new bug fixes, a limited-time fish, new NPCs, and multiple rod masteries.
Castbound is a Stage 10 fishing rod that was introduced via the Venue Takeover update. To add powerful buffs and unlock several new rewards, you can now unlock its mastery by completing a three-mission questline. In this guide, we will discuss everything you need to know about unlocking it.
What is Castbound rod mastery in Fisch?


Castbound is a Stage 10 fishing rod in Fisch that was introduced via the Venue Takeover update on May 2, 2026. To boost the rod’s stats, the developers added three mastery quests on June 27, 2026, via the King Crabstle update.
To complete the Castbound mastery, you have to first unlock the Castbound rod and then start progressing through a three-mission questline. After clearing each quest, you’ll receive a bobber, enchantment, lantern, and skin as rewards. Here are some stats possessed by this rod:
- Source: The Guide
- Level: 1000
- Stage: Stage 10
- Lure Speed: inf
- Luck: 390%
- Control: 0.14
- Resilience: 32%
- Max Kg: inf kg
- Line Distance: 180 m
- Passives: +15% XP from all fish. Every catch, 50% chance to gain another fish mutated with Cosmos (10.85×), Nebula (9.2×), Energy (8.55×), or Fury (11.7×).
How to complete Castbound rod mastery in Fisch
To complete the Castbound rod mastery and unlock its Copperbound skin, you must complete these quests:
Quest 1: Anger
- Objective: Catch 50 Fury fish
- Reward: Prisma Lantern
- How to complete: To complete this quest, you have to equip your Castbound rod and start fishing across the map. Upon each catch, there’s a 25% chance (ghost passive) of obtaining the Fury mutation.
Quest 2: Like a Boss
- Objective: Perfect Catch 3 Rotbloom with Castbound
- Reward: Gemidium Bobber
- How to complete: Rotbloom is an Exotic tier fish that you can catch only during the Rotbloom hunt event, which has some chance of spawning near the Toxic Grove area. By equipping your Castbound rod with Luminous Larva and Thorn Cluster, you can catch this fish faster.
Quest 3: The Journey’s End?
- Objective: Own Igneous Rupturer, Tidemourner, Verdant Oath, Wind Elemental, and Zeus’s Thundermaul
- Reward: +200 Durability, 3 More Chances, +50% Slash Rate, Perfect Casts = +25% Fury Base Chance & +5 Starting Progress Enhancement for Castbound
- How to complete: Unlock Igneous Rupturer (reach Level 500, complete Scoria Reach Bestiary, and talk with Scoria Guard), Tidemourner (use 3x Tide Essence, 5x Iron Chunk, 1x Tidemourner Head, and 1x Mourned Moonstone to craft it); Verdant Oath (complete Toxic Grove, Living Garden, and Nectar Den bestiary, reach level 1000, and spend 12,500,000 C$); Wind Elemental (reach level 800 and complete the Wind Master’s quest); and Zeus’s Thundermaul (complete Zeus’s Thunder of Chaos Bestiary, unlock the gate, and spend 18,750,000 C$).
FAQs on Castbound rod in Fisch
How do I unlock the Castbound rod mastery in Fisch?
To unlock the Castbound rod mastery, you must first own the Castbound rod and then complete all three mastery quests: Anger, Like a Boss, and The Journey’s End? Completing every objective unlocks the exclusive Copperbound skin and permanently upgrades the rod.
What rewards do I get from the Castbound rod mastery?
As you progress through the mastery quests, you’ll earn cosmetic rewards like the Prisma Lantern and Gemidium Bobber. Finishing the final quest also grants permanent buffs.
Is completing Castbound rod mastery worth it?
Yes, the mastery significantly improves the rod’s performance through permanent stat boosts while also rewarding exclusive cosmetics. If you frequently use the Castbound rod, completing its mastery is one of the best long-term upgrades available.
Edited by Shivansh Gupta







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