RC investment question

I'd say that both mewtwo and kyogre are set. I've maxed out two kyogre, a 93 nonlucky and 91 lucky, both same distribution aside from the 91's 14 atk, and outside of groudon ive never noticed a need for my second kyogre

Groudon, agree not much of a need, without boosting weather, machamp is a lot better against dialga and rock types (though metagross is better than both at that) and Rhyperior's good enough as a sub for agaisnt electric types, its not a hardpressing loss to not have one. Waiting for the signature move too, heard its current sets good for PvP, but not much of a reward for PvP only.

Mewtwo, you've maxed the shadow ball one and if you have a lucky shadow ball one, i'd max that in a heartbeat.

Aside from that, i'd give moltres overheat, i feel its worth the cost. I gave my Sky attacker it and its fantastic at clearing gyms and was good against those metagross raids, as well as, assuming you dont have any overheat moltres already maxed/high level, a lot cheaper than powering another moltres up

I wouldn't worry about saving 200 RC for ray right now if you are planning on raiding, in the last two weeks in lobbies with 12+ people I got around 100 rarecandy out of not using more than the daily pass and few premiums

First, you are way overestimating the importance of perfect IV's. 14/10/13, or 14/14/11 are fine IV's, and well worth powering up, if you want a mon of that species powered up. The breakpoint difference is one or two power-ups, and you will never notice a bulkpoint difference, due to variables that affect bulkpoints.

Second charge moves are really valuable for PvP, and to a lesser extent for fast gym clearing. They are not so important for raids, where, for example, you might be better off with a second SB Mewtwo. So, you should take into account how you play.

You can't go wrong with Mewtwo candies. Don't underestimate the value of IB Mewtwo, or buying a second charge move for a Mewtwo. You don't have to decide now, but it's a good place to park those candies.

I'd seriously consider buying a second charge move for that SA Moltres. SA is a great move, and no longer available. With OH as a second move, you'd have a very powerful, flexible pokemon.

I second the view of spending the candies on a second charge move. You need to decide if you value doing raids more or PVP more. When it comes to raids you will generally use specialized attackers, so a second charge move isn't needed. I would also look at pokemon that are "future proof." Pokemon like Mewtwo, Kyogre, and Groudon will always be top tier pokemon. I don't think you could go wrong giving them a second charge move just for the coolness aspect. Mewtwo has always been a personal favorite, so that will probably be the legendary I do first. It has a couple solid charge moves. Even a move like psychic would give you an elite psychic attacker.