Remember those rumors and ideas being brought up about the cat warframe that was just a big joke? Well, I think it showed up in the last batch of helmets with trinity. :
Warframe Update 2.03 Rolls Out With Prime Resurgence Content Support - PlayStation Universe
Trinity | WARFRAME Wiki | Fandom
Grineer guard's first day : r/Warframe
Warframe Devstream 166 Recap: Voruna Gameplay, Baruuk Prime, Lua's Prey Trailer, and More - KeenGamer
Trinity Prime Woes - Default Color Scheme and the Aura Helmet - Art, Animation, & UI - Warframe Forums
Nora's cred offerings this week include Trinity's Aura Helm... twice. : r/Warframe
Trinity Aura Helmet | WARFRAME Wiki | Fandom
Trinity | WARFRAME Wiki | Fandom
Warframe Update 1.011 Patch Notes for November 11 Brings Prime Resurgence Event
Ki'teer Razza Syandana attachment point change on trinity : r/Warframe
Trinity Knightess Helmet keeps effect of Arcane Aura Helmet [Fixed] - PC Bugs - Warframe Forums
Trinity Prime Woes - Default Color Scheme and the Aura Helmet - Art, Animation, & UI - Warframe Forums