Oh... How did I not figure panny=paany+bunny. Thanks for answering~
Also, is it BST creep proper or trainee bonus shenanigans?
I have to correct myself, the Hot Spring banner units AND Greils Devoted heroes are also not on gen 3 BST but gen 2 BST.
So the first banner with gen 3 BST was the Fatesbeasts one. BUT (!) only Velouria and Keaton have gen 3 BST, Kaden and Selkie have the same BST as ... Walhart for example, gen 2.
That means the following movement and weapon types have gen 3 BST:
Melee Infantry ( ~ 5 BST more) - Examples: Velouria, Keaton, Rutger, LRoy
Magic Infantry ( ~ 3-5 BST more) - Examples: Lugh
Bow Cav ( ~ 5 BST more) - Examples: Sue
Dragon Armor ( ~ 5 BST more) - Examples: Idunn ------- E: Most likely trainee / kiddy dragon BST boost in this case.
Dagger Flier ( ~ 5-6 BST more) - Examples: Panny (compared to Eir, it's the most notable one)
Bow Flier ( ~ 5 BST more) - Examples: The upcoming Lonny
From the newest heroes, both blue lance fliers (Thea and BunnyMarisa) have the same BST as Hot Ryoma and Sumia, still on gen 2. As is Bruno, who has the same BST as Maribelle / Veronica. And Hareonica is on gen 2 BST, too, same as BSanaki and Flyno.
E:
Regarding Idunn, i'm iffy. We had armor dragons release during Book 2 / gen 2 with the same BST as she now has, but those have the kiddy dragon bonus. Compared to Duma and Grimale though, she definitely has increased BST. So far i'm leaning towards gen 3 BST increase and not kiddy dragon / trainee BST.
I think it's proper gen 3 BST powercreep and no bonus stuff. It's just strange that not all weapon / movement types get the gen 3 boost. It's certainly "specific" that flier mages, cav healers and melee fliers didn't get the BST buff that their banner partners got.