Hold Portal
From OSE SRD
1st Level Magic-User Spell
Duration: 2d6 turns
Range: 10’
Magically prevents a portal (e.g. door, gate, etc.) from being opened.
- Opening by magic: A knock spell opens the held portal instantly.
- Opening by force: Creatures with at least 3 Hit Dice more than the caster can open the held portal with one round of effort.
