Picked up a baby Drawn Joker yesterday, and have been spamming Blue Sprite, as it has 2x drop rate atm. So far, it eludes me, and even Expert is pretty rough, without a 2x HP lead, since I'm just using Dublits. Getting a lot better with matching orbs, but the specific Kirin requirement is still pretty rare for me to consistently hit. Most of that is board placement though.
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