Mighty Fortress | Homebrew Directory
This page was last edited on June 18, 2026, at 11:31 PM ↻
8th-Level Conjuration
Casting Time: 1 minute
Range: 1 mile
Components: VSM($) (a diamond worth at least 500 gp, which the spell consumes)
Duration: Instantaneous
As in Xanathar's Guide to Everything except the following has been added:
Mighty Fortresses count as Aristocratic Safe Havens.
At Higher Levels. When you cast this spell using a spell slot of 9th level, the fortress lasts for 30 days. Casting the spell at this level once a month for a year makes the fortress permanent.
Source: XGE 161
Changelog
- Added upcasting option.
- Added Survival system functionality.