I need a good bit of help against Rosalina. In the neutral, it's pretty square. I use Side B to take out the Luma as quickly as I can rather than attempt to damage it. I went up against Neos at MomoCon, and the biggest problem was that he was juggling me repeatedly. Doesn't matter which stage, though he held a strong advantage on Halberd and Town and City.
Uair juggles are EXTREMELY hard to avoid. Plus, he read my airdodges. I had no way out of there and they killed me. I feel the only thing I can do is go for Aether since Rosalina's fast-fall isn't that great and the punishment might not be as damaging as the repeated Uair juggles. Any suggestions?
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san.
My strategy is to always, always focus on luma. I have to play using customs, so they'll be using shooting star bit which forces approach and the teleporting luma that makes mid-range spacing dangerous. Ike will have to be approaching customs Rosa regardless. Against default Rosalina, you have more options to keep some distance. Without luma, Rosalina's going to have trouble killing you, and her punishments won't be very devastating. If you hit luma with an attack that tumbles him, luma cannot act until he touches the ground + a little bit of lag.
Quick draw has too little damage and is so punishable that I would never use it (Fully charged may be somewhat useful if they allow it, though). My go to options: bair, close combat (ALWAYS pops up luma and sends him into tumble), sometimes fair/tilts/general neutral attacks, and in general your most damaging attacks (non-smashes). Surprisingly, dash attack can work too since the base knockback can send luma into tumble quickly with only a little bit of damage. Jab isn't as good as you'd like since the damage isn't great and it would suck to clank with him.
I find bair best on the ground since it also pushes Rosa's shield so you'll only get lightly punished at most. If Rosa is in the air, try to space for both luma and Rosa, but especially luma. You can also midly go on the offensive if Luma is sent in tumble (but it'd be better to continue hitting Luma if given the opportunity).
When luma is dead, play passive-aggressively up close. The most important thing to keep track of is when Luma respawns. You don't want to put yourself in a punishable state when Luma respawns. It's actually a large priority to grasp the respawn timing and immediately kill Luma again before Rosa can use him.
Ike has few options against Rosa's juggles if she has luma, but Ike has a pretty easy time once Luma is gone. Her kill moves and traps become much less potent. Obviously, common things like Rosa up-Bing is almost a guaranteed eruption, just time it right. Easier said than done, but if you really want to win, it would be helpful to get it down. Ike's "uncharged-partially charged" eruption 1 hits much lower at the sword compared to all other eruption customs and variants. Normal eruption can hit very low before the ledge grab while furious eruption can easily hit during the ledge grab vulnerability.
Overall, find ways to just hit Luma and don't mind the punishments in the beginning, then recoup your losses and instakill Luma whenever he pops up again. Recognize the best ways to send Luma into tumble and take advantage of those situations. Uair juggles and offstage/ledge play are the most dangerous aspects that need to be avoided.
