Shulker vs Element: who would win?

Element 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

Element · Toaru Majutsu no Index · Class 6 Element

Tier

8-C

Attack Potency

Building Level

Speed

Superhuman

Durability

Building Level

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