Korra vs Shenron: who would win?

Shenron favored — Clear favorite (~80%)

Korra · Avatar: The Last Airbender · Cosmic Korra

Tier

5-C

Attack Potency

Building Level, up to Moon Level

Speed

Sub-Relativistic

Durability

Moon Level

Shenron · Dragon Ball · Base

Tier

5-C

Attack Potency

Moon Level

Speed

Unknown

Durability

Unknown

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