How are you running 6rtpa? I am not running an elf mystic but a dark elf mystic. Only getting up to 4rtpa while maintaining 12 epa and 4 ospa and 5rwpa. I'm not maxed in pop science yet either. But typically I try and get up to 6 ospa in war to attack more. If I played more defensively that could be an option, but the income on dark elves suck to maintain large armies on low ppa.