Sensory Field (5e Spell)
From D&D Wiki
|Casting time:||1 bonus action|
|Range:||Self (15-foot cube)|
|Components:||V, S, M(a crystal worth at least 1 gp, consumed upon casting)|
|Duration:||Concentration, up to 1 minute.|
You tap into the world around you, granting you a perfect understanding of your surroundings. You gain truesight out to 15 feet, and whenever a creature enters your reach, you may make a melee attack against them.