Canoness Superior Junith Eruita
Canoness Superior Junith Eruita is one of the new characters for the Adeptus Sororitas' Codex in 8th edition. At the time, very little is known about her, but it's expected to get some more backstory, as almost all of the new characters introduced in 8th Ed. have gotten detailed fluff sooner or later.
Also, her haircut is a reference of Joan of Arc (or Jeanne d'Arc in french).
Fluff
Nothing is known about her at the time, other that she is a member of the Order of the Martyred Lady and she pilots the floaty space pope throne.
Crunch
As an HQ of the new Sisters of Battle Codex, Junith Eruita is a very interesting models. First off, the fact that it's a flying vehicle that moves 10" already gives it quite a lot of movement, which it will need considering the need of the current SoB meta to run straight at the enemies to unload melta goodness. A rosarius that grants 4++ invulnerable save is quite good alright, which will need considering that T4 and W7 is nothing that most current armies can't deal with, having a bad time dealing with snipers that could hurt her early on. You can always surround her with infantry and vehicles so that the enemy is limited to the snipers, but sometimes the snipers get lucky (a single squad of Eliminators can pretty much put her down if her invulnerable saves fail her, but that's why you have your miracle dice for). But its real value is the buffs for nearby Order of the Martyred Lady sororitas. Her first aura grants re-rolls of 1 for hitting and wounding to all Order of the Martyred Lady units around her, which is great considering how dependent the SoB they are to meltaspam (if you go with flamerspam, not so much, but hey, melta is probably more viable). The second aura effect is only for INFANTRY, but it grants an extra +1 to the invulnerable saves of nearby units, up to a maximum of 4+++. Really good to make relatively weak infantry such as repentia last longer in battle. She also has access to rites of faith, shield of faith and acts of faith, for more info on those go to the tactics page.