Stasis makes the effected object almost invulnerable if mostly immobile. So apply it to armor plating and bam! Awesome armor that's good against anything, including lasers. Down side is the effected plate can't move fast due to the speed of light so no FTL or, hell, probably no cruising either, and shields of any sort can't be used while its on, barrier interference principle and all that. It'll also burn power like nobodies business, which is why no one ever considered trying this before. Small price to pay for an incredible defense. Oh and not actual invulnerability, just really hard to hurt. (Counts as Mass Effect/Dark Energy)