Can Juggernaut Be Killed?

Juggernaut is already pretty indestructible and he doesn't need anything to sustain him other than the mystical powers of Cyttorak. It's not at all easy for heroes to stop Juggernaut, much less to kill him.

Can the Juggernaut die?

However, when Paré discovers that Exodus' Brotherhood of Mutants is preparing to attack the X-Men's headquarters while unaware that Juggernaut is the mole in their group, he is killed by Black Tom Cassidy.

Can Juggernaut be stopped?

As seen in the infamous sequence in X-Men: The Last Stand, one surefire way to stop the Juggernaut (at least temporarily) is to completely reroute his momentum. Kitty Pryde, also known as Shadowcat, has the mutant power of phasing through solid objects, and can even phase others while touching them.