Now that you have Dolighne at level 10, you just need to check area 12 at early morning (when you have 100 energy) and you gonna find the "?" spot, if you're already in area 12 just leave and return to trigger the easter egg.
SP3KTR3
2017-05-13 22:31:17 +0000 UTC
How do I trigger the Easter Egg? because I fully maxed out Dolighne but I don't know what to do now.