Veldora Tempest (Web Novel) vs Alien: who would win?

Veldora Tempest (Web Novel) favored — Slight edge (~55%)

Veldora Tempest (Web Novel) · Tensei Shitara Slime Datta Ken · Afterstories

Tier

LOW 2-C

Attack Potency

Universe Level+

Speed

Ftl, up to Massively Ftl+

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.