I’ll be straight with you: Bilewater is a nasty piece of work. I’d heard whispers about the Seeker’s Soul in Hollow Knight: Silksong, but I didn’t realize it would send me through one of the game’s most miserable optional areas. Still, as of 2026, if you’re chasing the secret Act 3, you need this creepy little item. So here’s how I got it, how I used...