Hollow Knight: Silksong — Forebrothers Signis and Gron Boss Guide

Hidden away in the scorching depths of the Deep Docks, Hollow Knight: Silksong keeps one of its trickiest surprises for players who love poking around every corner. It is not just a hidden area filled with exploding enemies, platforming puzzles, and shiny treasures — it is also home to a double boss fight that tests reflexes, patience, and preparation. The Forebrothers, Signis and Gron, are not easy to find, and they are even harder to take down without a solid plan.

For anyone who has already wandered through the Deep Docks and wondered what that locked gate was for, this guide covers everything: where to get a Simple Key, the fastest route from the Bench, the best Tools and Crests to bring, and a phase-by-phase strategy for the fight itself.

How To Find Forebrothers Signis and Gron

Finding the Forebrothers starts long before the actual battle. The duo is tucked away on the bottom left side of the Deep Docks, behind a gate that requires a Simple Key to open. Players who have been exploring thoroughly may already have one, but if not, there are a few ways to get it.

The simplest approach is to buy one. A Simple Key is available from merchants in Bone Bottom for 500 Rosaries and Songclave for 650 Rosaries. That second price definitely stings a little — inflation is real even in Pharloom. For players who would rather not spend, there is a free but more demanding option: defeat a mini-boss on Sinner’s Road or find the Bench in the Sands of Karak.

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