Kamen Rider Decade Complete Form Jumbo Formation vs Alien: who would win?

Kamen Rider Decade Complete Form Jumbo Formation favored — Slight edge (~55%)

Kamen Rider Decade Complete Form Jumbo Formation · Kamen Rider · Base

Tier

LOW 2-C

Attack Potency

Universe Level+

Speed

Ftl, up to Immeasurable

Durability

Universe Level+

Alien · Mortal Kombat · Base

Tier

LOW 2-C

Attack Potency

Universe Level+

Speed

Massively Hypersonic+

Durability

Universe Level+

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