4th-level · Abjuration
Casting Time 10 minutes
Range Self
Components V, S, M (a piece of the dragon whose lair you are raiding)
Duration Up to 1 hour (concentration)
Classes Bard, Ranger, Wizard
You create an invisible circle of protective energy centered on yourself with a radius of 10 feet. This field moves with you. The caster and all allies within the energy field are protected against dragons’ lair actions.
* Attack rolls resulting directly from lair actions are made with disadvantage.
* Saving throws resulting directly from lair actions are made with advantage, and damage done by these lair actions is halved.
* Lair actions occur on an initiative count 10 lower than normal.
The caster has advantage on Constitution saving throws to maintain concentration on this spell.
Source: Deep Magic 5e · OGL/Open