Blight vs Elza: who would win?

Elza favored — Slight edge (~55%)

Blight · Dungeons & Dragons · Tree

Tier

9-A

Attack Potency

Small Building Level+

Speed

Hypersonic+, up to High Hypersonic+

Durability

Wall Level, up to Small Building Level+

Elza · Toaru Majutsu no Index · Base

Tier

9-A

Attack Potency

Small Building Level

Speed

Sub-Relativistic

Durability

Small Building Level

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