Okay so! From what I have noticed, When I put up all my dots and keep them up as often as possible (casting it once the buff reaches 2-1 seconds of duration left), I find myself running out of mp! In fights like Titan that are very long, I have trouble keeping it up.

I use thunder, which is arguably the most expensive dot smn have access to. But! instead of not using it anymore, I've started to go into "low mana mode" where I start using ruin 1 instead of ruin 2. Is this a good idea? Do any other smn at 50 still use ruin 1?