Yeah this is horrible game design, "haha screw you in particular" single target debuffs that fail to move the needle in large scale, inevitably used solely for griefing individuals.Vanguard Ultimate - Demoralizing Disruption - A four second stun and negate on a single target.
Soldier Skill - Battle Trauma This skill applies 11.5k healing absorption and increases your targets roll dodge cost by 33% for 6 seconds.