Have another tip i remembered when playing bp earlier guys. It's against echidna basically when she flys around and then lands on 4 vines/legs and spits out chimaera you can dri the legs/vines with dante twice.You can also do showdown on em with nero.
With Nero, it is also possible (though I imagine not very easy, I did it basically by accident - you have to have her head locked on from when she's flying around, jump and then use Devil Bringer from correct position when she lands on legs) to get on top of her when she lands and attack her straight to her face. IDK wether it is possible to deal more damage that way than by using Buster / DT Buster on her eggsack though.
For Angelos, Platform Jump over their heads > unleash at their back works great for both Nero and Dante. With Dante, I've found that Stinger works quite well under right circumstances too, you can get two Stinger attacks on single Angelo (back>front, then front>back) before it manages to recover if you do it right. EDIT: It is also possible to do it by Stingering them at angle, move towards their unshielded side and when they start turning around, use Stinger (in which case it's front>back then back>front).
Sorry if something is already mentioned, I'm tired.