Spinel

Steven Universe · Series · Gem, Formerly Pink Diamond's playmate

Powers and abilities

Superhuman Physical Characteristics
Gem Physiology (Grants Regeneration (High-Mid), Immortality (Types 1 and 3), Shapeshifting, Size Manipulation, Body Control, Biological Manipulation, Fusionism, Self-Sustenance (Types 1, 2 and 3), Adaptation (Automatic-adjustment to different forces of gravity), Pocket Reality Manipulation (All Gems have a pocket dimension of infinite size contained within their gemstone), Sealing (Via Bubbles) and BFR (Via Bubbles))
Body Control
Elasticity (Can wrap and stretch various parts of her body. Made her arm and fist large enough to slam Steven into the Gem Injector from above clouds)
Skilled Scythe User (She showed extremely high amounts of skill when wielding the Gem Rejuvenator)
Memory Manipulation with Gem Rejuvenator (Can reset Gems to their original state)
Poison Manipulation and Acid Manipulation with Gem Injector (Injects planets with a bio-poison that kills all organic life it comes in contact with and is caustic enough to melt steel)

Sufficient damage to her physical form can revert her back to her vulnerable Gem form which can be broken and destroyed.

Ranked tied for #12 of 44 in Steven Universe by strength.

Spinel vs Abomasnow (Pokémon · Tier LOW 7-B): Abomasnow · Slight edge
Spinel vs Aleister Crowley (CW) (DC · Tier LOW 7-B): Aleister Crowley · Slight edge
Spinel vs Lord Boros (One-Punch Man · Tier HIGH 7-C): Too close to call
Spinel vs Wyper (One Piece · Tier HIGH 7-C): Too close to call
Spinel vs Demon Cat (Adventure Time · Tier HIGH 7-C): Too close to call
Spinel vs Gon Freecss (Hunter x Hunter · Tier HIGH 7-C): Spinel · Slight edge
Spinel vs Gun Devil (Chainsaw Man · Tier HIGH 7-C): Spinel · Slight edge
Spinel vs Gorosaurus (Heart-Pounding Monster Island!) (Godzilla · Tier HIGH 7-C): Spinel · Slight edge