How to Unlock the Aquatic Weapon in Abyssus

The game "Abyssus" was released recently (in August 2025 according to the search results), and the method to unlock the "Fish Deity's gun" is exactly as described in the user's text. The search results from Steam forums and YouTube guides confirm the steps: defeat the three minibosses (called "Heralds"), which activate the fountain statues, then find the secret pond behind the lobby waterfall, and finally defeat the Fish Deity boss. The tip about using a modifier to force all three minibosses to spawn is also confirmed. I have all the information I need to create a detailed article without using any of the original phrases.

Unlocking the Secret Pond: A Guide to the Aquatic Weapon in Abyssus

The underwater world of Abyssus holds many secrets, but few are as well-guarded as the Fish Deity's gun. This powerful aquatic weapon is not part of the main progression and can only be obtained by completing an obscure event known as the "Secret Pond." Because the process requires players to undertake specific tasks across multiple runs, it is a reward for those who demonstrate true dedication.This guide will walk you through the precise steps to unlock this unique weapon, from awakening the ancient guardians to facing the deity itself.

Step-by-Step Guide to Claiming the Aquatic Weapon

The path to the Fish Deity is a multi-stage process that you must complete sequentially to gain access to the Secret Pond.

• Awaken the Three GuardiansYour first task is to defeat three distinct minibosses that appear inAct 4 Stage 1, just before you reach the Royal Abyss. Only one of these"heralds" spawns per run, making this a test of perseverance. Eachminiboss corresponds to one of the three guardian statues found in thepre-game lobby's central fountain. After you successfully defeat aminiboss, its matching statue will come to life, spouting water. Youmust defeat all three across separate playthroughs to fully awaken thefountain and proceed to the next step.
• Unveil the Secret PondOnce all three guardian statues in the fountain are active and spewingwater, it signifies that the way to the Secret Pond is open. Return tothe pre-game lobby. The hidden entrance is located behind the largewaterfall on the seaside path. Upon finding the concealed chamber, youwill witness the empty pond slowly filling with water. Thisautomatically triggers the final boss event, so be prepared for a fight.
• Defeat the Fish DeityWith the pond now full, the final challenge awaits. You must defeat thepowerful Fish Deity in its watery lair. This formidable boss is thefinal obstacle standing between you and the aquatic weapon. Uponsuccessfully vanquishing the deity, the weapon will be unlocked. It will then be available in all future runs for you to use and master.

Tips for a Faster Unlock

The process of unlocking the aquatic weapon can be time-consuming, butthere are a few tricks you can use to speed up the process.

• Use Game Modifiers: Certain modifiers can force all three minibosses to appear in a singlerun, eliminating the need for multiple playthroughs. Be sure to checkyour available modifiers before starting a new game.
• Keep Track of Your Progress: To avoid wasting time on repeated kills, make a note of which statuesare already activated in the lobby fountain. This ensures you only focus on defeating the minibosses you still need.
• Pick Your Battles Wisely: Some minibosses, such as the frog variant, are generally consideredeasier to defeat than others. Prioritize these easier fights to saveresources and consumables for the final boss battle against the FishDeity.

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