Homebrew
Frozen Timefield
8-level Abjuration
Range/Area: 60 feet
Components: Verbal, Somatic
Duration: Concentration, up to 1 minute
You create a dome (15-foot radius) of frozen time. While inside, no creature can take reactions, and attack rolls against targets within have advantage. Movement inside the dome is halved, and creatures that start their turn inside must succeed on a Wisdom save or have disadvantage on all attack rolls that turn.
Available for: Mage