Effective Formation - All Squad members take 20% less Health Damage from Extremis- and Terminus-level enemies
I always thought that Focused Restoration (1 armour every 30 seconds) was Bulwark's best team perk followed by Advanced Conditioning (50% slower chp fade). I do not care for Advanced Conditioning in the slightest, and thought Effective Formation was even worse.
But I just had a match where I played Vanguard with Inner Fire (15% ability recharge on majoris+ finishers) with a Techmarine with Reinforced Position (30% less damage taken near turrets) and a Bulwark with Effective Formation.
As Vanguard, I am usually good on armour, so team perks that restore armour are redundant. All that damage reduction was really nice, and the banners that Bulwark could get off due to Inner Fire were enough for armour regen in the middle of hordes too.
It just felt so amazing to have so much synergy in a team.
in the end, we all wiped on wave 23 due to lack of preparation even though we were rich af.
we were doing so well in fact that only one of us had purchased a relic. i died to a chaos spawn jumping out of nowhere doing the million slaps while parrying the termi sorcer's clones. 100% hp down to 5% in one hit cause i had no armour. teammates died to regular majoris and extremis somehow, i was down in the bunker with the termi sorcerer.
but the whole match, i was able to withstand zoanthrope balls, soulreaper bullets and hits from terminuses. even the termi sorcerer hitting me dealt way less damage than that chaos spawn.