Doctor-Alvis
Post-Crisis Balki
Originally posted by Wonder Man
Juggernaut's force field is really magical. Virtually nothing can penetrate it. it cost him nothing to erect it just wanting it up does it. It's his double unstoppable rule. With his force field up i think the attack that nearly defeated him against Nimrod wouldn't have been possible. Marvel explained it that way.
That's all speculation. If memory serves me right, it's only been mentioned twice, both in crossovers, and used only once. In the Thor issue is was attributed to giving Juggernaut the bulk of his durability, which is wrong, and in the Spider-man issue he blocked an exploding truck with it.