Note: in-game, the gate map is inaccessible.
First Floor
Level: Mission Lobby Depth: 0A lobby used by Spiral HQ for briefing. Basil is located top left. Vise and his special Vise Alchemy Station are located to the right.
Second Floor
Level: Storming the Walls Depth: ???
Third Floor
Level: Silence the Guns Depth: ???
Fourth Floor
Level: Flank the Frontlines Depth: ???
Fifth Floor
Level: Clear the Gatehouse Depth: ???
Sixth Floor
Level: Engines of War Depth: ???Fight through a few areas to reach a battle with Warmaster Seerus and waves of minions.
Seventh Floor
Level: Aftermath Depth: ???A Treasure Floor unique to this mission. Pick up a mask fragment material here.