This is an endgame, balanced, synergistic [Abating Link] and Champion's Blessing build that moderately buffs weapon DPS while adding in some of the best survivability and quality-of-life options available for Trinity. It is possible to further maximize Champion's Blessing by giving up Adaptation and/or Arcane [Guardian] and baiting more damage, but we're trying to achieve competitive DPS without making the game harder for ourselves, so we will be combining this with certain weapon choices. This build is aimed at general missions, not at Eidolons etc.

Combat Discipline is a game-changer for MomFrame, alongside [Champion's Blessing] and Arcane Avenger, as it allows her to passively get critical chance bonuses simply for doing what she wants to do anyway, which is healing her teammates. This synergy can allow for some amazing red-crit weapon damage essentially for free. It also can trigger Arcane [Guardian], dramatically increasing her ability to survive after losing a little health.

Primed Sure Footed is used for two good reasons. One, the inability to get knocked over/stunned makes it extremely hard to die while playing Trinity, especially when combined with Natural Talent, since nothing can really stop you from panic-casting Bless when low on health. Two, we want to use explosive AoE weapons with this build.

[Blind Rage] is set to rank 7 because, when combined with [Umbral Vitality] and [Umbral Intensify], we [Reach] that magic 227% number for 100% armor strip by [Abating Link], without sacrificing too much efficiency. You technically can max this out, since EV nets positive returns at any [Blind Rage] rank (so, [Trinity] theoretically has infinite energy), but I find 56.75 energy per pulse is plenty and having a slightly higher efficiency helps when you're dealing with things like Energy Leeches. We want to be regularly casting all four of our abilities, not just EV, after all.

We are running neutral duration because it allows EV to do moderately decent DPS alongside your weapons, without having to spam your Link and Bless too much. Make no mistake, however, this is a high actions-per-minute build when used optimally, which requires you to tightly manage your timers, and this is the second reason we are running [Natural Talent].

We are running neutral range because this build is not exclusively for EV support, it is for bouncing around and killing enemies quickly. If your team complains about not getting enough EV energy then they can follow you around like good little ducklings.

We are running Condemn over our first ability. This is partly because crowd control is missing from [Trinity]'s ability kit and greatly enhances her utility. But the true secret sauce here is the fact that Condemn gives you overshields, so we don't have to run [Vampire Leech] to take advantage of the new, extremely powerful Cascadia Overcharge.

Arcane [Guardian] is selected as it doesn't take up a precious mod slot, can be triggered by [Combat Discipline], and because [Trinity]'s base armor value is low. [Adaptation] is selected because it grants a very large amount of effective health and [Trinity] can easily take advantage of its "getting hit" requirement since we are already casting Bless every 10 seconds.

I run the Proboscis Cernos mainly for AoE damage, the Catabolyst mainly for Nullifiers and single-target DPS, and the Tenet Livia as a utility, backup/cleanup melee weapon. These weapon builds do use Rivens, but it isn't necessary for the synergies to function.

Your Focus School doesn't matter too much. You can run Vazarin for Mending Unity, which increases your Bless range slightly, or Zenurik for a little extra energy insurance since we are forgoing Arcane Energize, but to be honest I usually just run Unairu because I do a lot of Kuva Floods and other operator-centric missions, and I like my Operator being a little harder to kill, haha.