Endeavor

You touch a willing creature. If the target has 0 hit points, it regains 1 hit point and may use its reaction to take the dash action.For the duration, the target’s movement increases by 30 feet. The target is also immune to all conditions and has advantage on all D20 checks.The target gains 8d8 temporary hit points. At the end of each of the target's turns, it loses 5 temporary hit points.

Using a Higher-Level Spell Slot. The temporary hit points increase by 2d8 for each spell slot level above 3. When cast using a 5th, 7th, or 9th level spell slot, the duration increases to 2 rounds, 3 rounds, and 4 rounds, respectively.