I wouldn't be so sure. I'm at lvl 40 and had 30 peronamin and 40 peronamin half from the previous event, and having spent 5 peronamin and 30 peronamin half I'm still below 15k with only 4 days left. I've been playing every day and dedicating it quite a lot of time, but unless fortune smiles upon me, I'll stop playing that much and keep my remaining peronamin after completing all the locations. This is the most unbalanced event so far, and pretty unrewarding if you're not extremely lucky. RNG3stronk5freeplayers
BTW, what do I do with all the gold this event gives you? Is there a better way to spend it than getting a ton of N gacha tickets? I don't even need pink keys right now, already have too many of them.