Roc vs Isu: who would win?

Isu favored — Slight edge (~55%)

Roc · Dungeons & Dragons · Regular

Tier

8-C, up to 8-A

Attack Potency

Large Building Level, up to Multi-City Block Level

Speed

Hypersonic+, up to Ftl+

Durability

Large Building Level, up to Multi-City Block Level

Isu · Assassin's Creed · Technologically

Tier

8-C, up to 5-B

Attack Potency

Building Level, up to Multi-Continent Level

Speed

Hypersonic

Durability

Multi-Continent Level, up to Planet Level

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