Ascended Witch

The creature is always the parties level, the creature gains 50% HP mod per level and +1 to attacks for every 5 levels remove the damage bonus and replace it with an extra dice (if an attack does 1d6 it now does 2d6) and +1 AC and to main stat.

Spellcasting. The Witch is a 4-level spellcaster. Its spellcasting ability is Charisma (spell save DC 15, +5 to hit with spells to hit.)
Cantrips (at will): Fate Push/Pull, Action: Target makes a strength saving throw on a fail the target takes 2d4 stress damage and gets pushed/pulled 10ft. 
1st level (3 slots): Fate Reveal, Action: Target must make a wisdom saving throw on a fail the target takes 2d8 stress damage and is marked making allies attack that enemy if the target succeeds they are only marked.

Fate Push/Pull, Target makes a strength saving throw on a fail the target takes 2d4 stress damage and gets pushed/pulled 10ft. 

Fate Reveal, Target must make a wisdom saving throw on a fail the target takes 2d8 stress damage and is marked making allies attack that enemy if the target succeeds they are only marked.

Whack. Melee Weapon Attack: +6 to hit, reach 5 ft., 1 target. Hit:  (1d6 + Wis) bludgeoning damage.