Perimeter of Dread

"'Grimstone keep is situated on a rocky cliff surrounded by a saltwater swamp. Just getting there is a task unto itself.'"

Floors
Floor 1: Swampy Shoreline (Swamp)

Floor 2: Cliff Face (Mountain)

Enemies
Terrorknight

Chained One

Imprisoned One

Guaranteed Terrorknight Jailor (Floor 2)

Loot
Level 60 - Grimstone Greatsword: 16.7% Chance on Rookie

Metallic Corruption: 100% Chance on Rookie

Cosmetic On-hit Effect - Bats: 3.1% Chance on Rookie

Dialogue
Floor 1:

Adrasta van Linorei : I've had fairer voyages, slayers, but at least we have arrived. Let's find a way up to the fort, shall we?

Victory:

Adrasta van Linorei : I see this prison's reputation is well earned... what a battle it was just to reach it. Now we can delve within and unlock its secrets!