Where the mystic ring offer at

[TomV93]

So far we have had only 1 on december 13th:

@TomV93

Offer 13 - December 13
2800 gems + 2x Epic Hero Token + 3x Epic Troop Token + 1x Mystic Rings + 1x Hidden Blade + 1x Sturdy Shield + 4x Dragon Bones + 2x Meteor Fragments + 1x Titan Energy Flask