Valda's Spire of Secrets
Mass Skirmish
7-level Transmutation
Casting Time: 1 action
Range/Area: Self (30-foot radius)
Components: V, S, M
Materials: a branch from a tree
Duration: Concentration, up to 10 minutes
This spell allows you to enhance the mobility of any number of willing creatures that you can see within range. You bolster each target, enabling them to move easily through enemy formations. For the duration, each target’s speed is increased by 15 feet, is unaffected by nonmagical difficult terrain, and doesn’t provoke opportunity attacks.