Almost all of this is the new stuff relevant for the key that's replacing the one he's currently fighting sasuke in:
Resistance to Mind Manipulation (Sorcerers can fortify their minds against those trying to invade it)
All previous abilities except
Time Manipulation,
Time Stop,
Time Travel and
Precognition (No longer possesses the Time Stone). Greater
Martial Arts (Was able to completely outskill and defeat an alternate universe Mordo while bound in handcuffs), Improved
Astral Projection and
Soul Manipulation (Forcefully knocked Peter Parker's Astral Projection out of his body. Manipulated the Souls of the Damned and used them for his own aid)
Body Control (Can make a third eye appear on his forehead),
Summoning (Summoned serpent creatures to attack
Scarlet Witch. Summoned a gigantic beast to catch a car, saving a woman and her baby),
Absorption and
Power Absorption (Capable of absorbing America Chavez's ability to travel through universes, akin to Defender Strange),
Creation (Created a magical web-shooter for Spider-Man. Formed ******** hands to tear off a pole from the ground and kill
Gargantos),
Attack Reflection (Was able to reflect an attack from Wanda using the Mirror Dimension),
Deconstruction (
Deconstructed and changed the form of a bus whilst lifting it into the air),
Cloth Manipulation (Can change his clothes into anything and can even turn the Cloak of Levitation into a nifty scarf or hankerchief),
Fire Manipulation (Shot a blast of green flames at
Gargantos.
Lit the fire place in the Sanctum Sanctorum with a wave of his hand),
Memory Manipulation (Could erase the memory of Peter Parker being Spider-Man across the Multiverse, including Stephen's own memory of such knowledge, a spell that the latter considers to be "standard"),
Sound Manipulation (Was able to create tangible musical notes made of Eldritch Magic's energy to attack Sinister Strange during their duel),
Spatial Manipulation and
Reality Warping with the Mirror Dimension (
Easily capable of manipulating a city-wide space within the Mirror Dimension), and
Invisibility Negation (
Performed a spell which made
Gargantos visible),
Resistance to
Soul Manipulation and
Possession (Was able to fight and overturn control of the souls of the damned, kicking them out of his body)
Enhanced
Astral Projection and
Possession with Dreamwalking (Possessed a different version of himself from another universe to battle
Scarlet Witch)
Building level physically (Traded blows with 838 Mordo, who was capable of harming him with his physical strikes),
higher with Conjured Weaponry, At least
Building level (Strange's magic should be superior to his physical strength. Matched and defeated Sinister Strange. Sawed a bus in half with a spell), up to likely
Island level with Magic,
Island level with Sling Rings, able to ignore durability in some ways
Multiversal+ when Dreamwalking with the Darkhold
