Do they get that strong? Perhaps I got the hang of the Labyrinth too quick, I managed to almost not fight them, I mean, unintentionally (but of course I checked each one of them to see how do they battle
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Hmm... Perhaps you shouldn't focus on energy, but don't make it go lower than that, just grind further. My advice, tackle the Labyrinth with at least 40 in each one of the 6 features (maybe someone could be more specific in which features are necessary, I don't care much since I raise them all at the same time), and have more than 450 max arousal and the Spicy Burger Special perk from Belle (arousal and energy increase at every turn), the amount of spirit should be OK (I have 10, perks included). Again, yours seem to be a non-grinding issue, I don't know which level should you stop grinding, but 80 seems a nice number, and at 100 you shouldn't have any trouble. I'm at level 122, which was around the time I finally got 60 in all 6 features (adding some arousal and energy in the way, but I'm pretty sure last time I got 60 in all of them without perks), and with perks included, I have:
10 spirit
615 max arousal
355 max energy
60 power
72 technique
61 intelligence
60 allure
66 willpower
65 luck
So, you'll have to either grind for a while or get the hang of the Labyrinth, I'd encourage the first because I don't know how hard could be the next updates, and it'll always come in handy to be over-leveled.