[Vauban] combines traditional crowd control with armor stripping and scaled ability damage to deal with various forms of content. This build doesn't particularly focus on any one aspect of his kit so that you can make better use of each of his abilities. We don't have a subsumed ability here but you can add any number of QoL or buffs to round out the build.

QoL abilities like Spellbind, Dispensary, or Energized Munitions are usually the call on this build. None of them are needed but they can help you to deal with more annoying content by covering your weaknesses. Hybrid defensive abilities like Elemental Ward or Warcry are decent options as well if you're having issues staying alive.

Tesla Nervos and Photon Strike are the weakest abilities depending on what you're trying to do with [Vauban]. Replace Tesla Nervos on builds that don't care about additional CC and replace Photon Strike on everything else.

[Enemy Radar] mods help the team to track down stragglers. It can be replaced if you already have a large amount of radar mods.

Strength is intentionally bumped up to 250%+ so that Bastille completely strips armor in 4 seconds. 200% is fine if you're okay with waiting another second. Significantly below that isn't suggested.

Range is kept fairly high so that your CC and offensive abilities have decent coverage. You can drop it for more Duration or Efficiency if you're having issues with your energy economy.

Augments can be fit in to tailor the build for nuking or better crowd control. [Streamline] or [Stretch] should be replaced depending on your needs in the build.

Arcane Velocity is primarily run for the [Kuva Nukor] synergy. It can be replaced with any other arcane to suit your playstyle.