The so called "no-loss" concept (whole game) is wrong and stupid.

[Xargon]

You can't prevent the damage from that armageddon, but I remember that he apparently was not very bright (it did pretty low damage, not sure how much exactly because I do not care about no-loss). So maybe even lvl4 creatures with high hp will not lose a unit? (and you can always cast stuff like peacefulness, ice prison, last hero, etc)