I have Aria and I don't even use her half as often as Kate. Kate is basically mini HA with UP skill while Aria is getting stomped by anything with above average attack.
This, pretty much. She often makes the need of a HA disappear and can tank a lot of things. Of course, Aria is great when you don't need to tank something heavy, but Katie will often just be placed and then exist for eons tanking everything possible until some sort of mega boss appears.
No love for monica? xiao? i've killed the bosses with her in the latest 2nd and 3rd event maps (didnt expected her to one-shot bosses lel) so dont underestimate %10 chance (yeah i know it goes down to %0.000001 when it comes to this and that ok...)
already mentioned monica under drop rate boosters. xiao is not reliable enough to be used compared to other archers.
also, I actually listed the golds on previous page as I remembered, not exactly bernice getting any priority. but it's true that she fulfills her role as a gold for her class very well, which made her easily memorable to me to be mentioned early.
but for the 'middle man' list, they're largely split outright into usable and not usable. anything I didn't list on 1st page is almost = useless. (note the almost. too lazy to start another bullshit argument for half-decent units)
Aigis misc. resources: http://harem-battle.club/dmm-version...html#post49732
Beginner Guide for choosing units to level: http://harem-battle.club/millennium-...ling-team.html
Past DMM Aigis data for personal archiving: http://harem-battle.club/dmm-version...html#post33260
FKG Raid Bosses: http://harem-battle.club/flower-knig...id-bosses.html
besides the soldiers , bernice and drop boosters , there is also yuyu. SHe's an elf (that means her attack is higher, and is on par with belinda for example , while she also attacks somewhat faster) , and has the same skill as well, giving the ability to pass war of magic. Belinda ofc has a very good awakening passive , but AW yuyu is very very cheap to field past AW , and u can replace a caliopee with her as a cheap deploy witch
All in all , she has power over her rarity i'd say.