Masters of the Universe Monday: Stereoacative for D&D 5th Edition

I love He-Man and the Masters of the Universe.  Awhile back, I wrote up a character while brainstorming it as a setting.  Now I have decided to expand on that.

Basically, I've bolted Gamma World 7th Edition's Origins onto 5E using this site.

Stereoactive
(Seismic/Radiation)
4th Level Fighter

Follower of He-Man

                                             

Armor Class 12
Hit Points 39 (4d10+12) 

Speed 25 ft.
Initiative +1

          
   Str        Dex      Con       Int        Wis      Cha
  18 (+4)        14 (+2)       16 (+3)      15 (+2)      11 (+0)       13 (+1)

Background Entertainer
Skills Acrobatic +4, Intimidation +3, Perception +2, 
Performance +3
Saves Strength +6, Constitution +5
Tools Disguise Kit, Vocals

Senses passive Perception 10

Languages Common
Proficiency +2


Marksman (Archery)
Second Wind
Action Surge
Danger Sense

Martial Archetype Champion
Improved Critical

ACTIONS

Ranged Attack—Stereo Blast +4 to hit (range 100 ft.; one creature). 

Hit: 1d8+2 thunder damage.

Ranged Attack—Stereo Burst  (5 ft. radius centered on you).  
Effect: All enemies must make a DC 14 Constitution save or take 1d6+4 thunder damage and you knock any targets prone.

Seismic
Advantage when using Charisma (Deception) checks.

Armored Skin Resistance to bludgeoning, piercing, and slashing damage.

Ponderous Speed is 25 feet.

Radioactive
Advantage on Intelligence (Investigation) checks.

Gamma Tolerance Resistance to radiant damage.

Radioactive Critical When you score a critical hit, your target is weakened until the end of your next turn.

Hawking Portal You and up to two allies within 50 feet may teleport to any spot within 50 feet of your current location.  Additionally, anyone who teleports heals hit points equal to 5 + your level.