Olhydra

Dungeons & Dragons · Tabletop · Water Archomental

Powers and abilities

Superhuman Physical Characteristics
Immortality (Types 1, 2, 3, and 9)
Likely Avatar Creation
Magic
Reality Warping
Self-Sustenance (Types 1, 2, and 3)
Non-Physical Interaction (Magic in D&D can interact with spirits, intangible elementals, nonexistent beings, abstracts, conceptual demons, etc)
Aura
Regeneration (Low-High)
Damage Reduction
Dimensional Travel
Portal Creation
Elemental Manipulation
Water Manipulation
Weather Manipulation
Enhanced Senses
Ice Manipulation
Acid Manipulation
Electricity Manipulation
Sound Manipulation
Air Manipulation
Probability Manipulation via Legendary Resistances
Intangibility (Elemental, Type 3)
Summoning
Mist Manipulation
Limited Fear Manipulation
Animal Manipulation
Transmutation
Creation
Plant Manipulation
Shapeshifting
Martial Arts
Extreme Resistance to Electricity Manipulation
Water Manipulation
Ice Manipulation
Non-Magical Damage
Acid Manipulation
Poison Manipulation
Mind Manipulation
Empathic Manipulation

None notable Olyhydra as she appears in Dungeon Magazine #199Olhydra as she appears in Dragon Magazine #347

Ranked tied for #52 of 704 in Dungeons & Dragons by strength.

Olhydra vs Barthomeloi Lorelei (Nasuverse · Tier HIGH 6-C): Olhydra · Slight edge
Olhydra vs Loma Shade (DC · Tier HIGH 6-C): Olhydra · Favored
Olhydra vs Falchion (Fire Emblem · Tier HIGH 6-C): Too close to call
Olhydra vs Gor-Rok (Warhammer Fantasy · Tier HIGH 6-C): Olhydra · Slight edge
Olhydra vs Ulti (One Piece · Tier 6-C): Too close to call
Olhydra vs Coordinator (Fairy Tail · Tier 6-C): Too close to call
Olhydra vs Ender Dragon (Dungeons and Dragons) (Minecraft · Tier 6-C): Too close to call
Olhydra vs Kes (Star Trek · Tier 6-C): Kes · Slight edge