Won’t say it’s not impressive, but it sucks that they’re only showcasing servants in these whale comps. What’s left for the common-folk?
For whatever it’s worth, I think both are very good.
Melt is an AoE arts servant with good NP gain. Even without a perfect NP loop setup, she doesn’t have much trouble firing back to back NPs. Her first skill keep her arts cards relevant throughout an entire fight, with one turn of power when you can stack it thanks to the ridiculously short cooldow/long durarion on the buff. Combined with her third skill, you get a very strong turn in which it’s also easy to crit and thus refund more NP. On that note, her NP + good quick and extra cards grant easy access to stars to crit with afterwards.
Invincibility, resistance to buff removal and enemy dodge removal all make her relevant for more challenging quests as well.
Okita received some bashing due to her “demerits”. They’re hardly so, considering her insane performance. Her quick cards (of which she has 3 + NP) are absolutely insane, resembling Jack’s generation values, and exceeding hers with that 3-turn 50% quick buff on her third skill.
Yes, it does have a defense debuff you can’t quite deal with. But between crits and NP looping, most enemies should be dead before it even poses a problem. Even when they wouldn’t die, you mostly need to be careful the third turn, when the defense debuff is stacked to a whooping 50%, in which case even Riders will hurt. She has evasion on her second skill, should you need protection, or you can always use your Mystic Code if it’s really critical.
First skill grants a massive critical buff on a low cooldown, and you can generally bypass the demerit simply by casting it before other skills.
The stun on her NP is a bit awkward, but can be played around with Command Codes, CEs or other effects. Even without them, stun isn’t 100%, so it’s still not awful, and if she’s wiping the whole wave, it doesn’t really matter.