Shulker vs Ekko (Arcane): who would win?

Ekko (Arcane) favored — Slight edge (~55%)

Shulker · Minecraft · Base

Tier
8-C
Attack Potency
Building Level
Speed
Immobile, up to Subsonic
Durability
Building Level, up to City Block Level

Ekko (Arcane) · Arcane · Season 2

Tier
8-C
Attack Potency
Building Level
Speed
Athletic Human, up to Subsonic
Durability
Building Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.