Quote Originally Posted by HyperiusUltima View Post
Sometimes it's an easier strategy to delay them progress using Guard since if you can buy 5s with one person and the rest get ready, then it means they're having to pool more burst resources into killing you than it takes for them to fend off the burst themselves.
Not only that. Keep in mind that in the case of SAM LB, it deals 100% of enemies max HP in dmg, and that damage can be mitigated with certain jobs that reduce incoming dmg with debuffs if timed correctly.