Thunderfoot

2nd-level evocation
Casting time: 1 action
Range: Self
Target: Creatures within 10 feet of you
Components: V S
Duration: Concentration, up to 1 minute
Classes: Druid, Wizard, Sorcerer
Subclasses: --

The air becomes heavy around you and with each footstep you take thunder cracks and bellows in the area. Until the spell ends, any creature within 10 feet of you whilst you are moving takes 1d8 thunder damage.