Let’s get this out of the way: Alien X is a Celestialsapien. He is omnipotent. He can warp reality, create matter from nothing, erase concepts from existence, and survive the destruction of the multiverse. The only reason he isn't #1 in a "practical" sense is his crippling weakness: The two personalities inside his head (Bellicus and Serena) must vote on every action. If they argue, Ben stands frozen like a statue. In terms of peak power, Alien X is a 10/10. In terms of usability, he is a 1/10.
Therefore, the ranking changes:
Introduced in Omniverse , Atomix is often overlooked by casual fans, but he is terrifying. He generates and controls nuclear energy. One punch from Atomix creates an explosion visible from orbit. Ben himself stated that Atomix is "the second most powerful alien he has" (right behind Alien X). He is essentially a sentient, heroic Chernobyl. who are ben tens strongest aliens
Clockwork's ability to manipulate time and space makes him a powerful and strategic alien. His ability to rewind, fast-forward, and pause time gives him an unparalleled advantage in battle. Let’s get this out of the way: Alien
It's a toss-up here, but Chromastone (a Crystalsapien) is often overlooked. He is nearly indestructible and can fly, but his real power is his "Conduit" status. He can absorb massive amounts of energy and, as seen in Alien Force , is essentially a backup for a literal god-like being (Sugilite) who can restore entire planets. Summary: Who is the "Best"? The only reason he isn't #1 in a
When the fate of the universe hangs in the balance, Ben doesn't reach for the gimmicks. He reaches for the heavy hitters. Here is a definitive ranking of Ben Tennyson’s strongest aliens, based on raw power, durability, and universe-shattering potential.