Smaug vs Sully: who would win?

Too close to call

Smaug · Lord of the Rings · Base

Tier

7-C, up to 7-A

Attack Potency

Town Level, up to Mountain Level

Speed

Superhuman, up to Subsonic

Durability

Town Level, up to Mountain Level

Sully · Fire Emblem · Base

Tier

7-C, up to HIGH 6-C

Attack Potency

Town Level, up to Large Island Level

Speed

Superhuman, up to Massively Hypersonic

Durability

Town Level, up to Large Island Level

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