While many other characters that will show up later are also given brief appearances, the duo are seen at least three times, once while walking around, another while leaving for the outside world, and again when being recruited by Hamelin
If you control a Level 5 or higher WATER monster and this card is in your GY: You can Special Summon this card, but banish it when it leaves the field
The Pokemon Go expansion for the Pokemon Trading Card Game ( Pokemon TCG ) is now available in stores

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This is just the way games are these days and I get it, but I still dont like it
However, if Trias Hierarchia tributes Diviner of the Herald as cost and the opponent has no monsters on field, then Bystial Magnamhut and Bystial Druiswurm cannot be activated as Quick Effect to banish Diviner of the Herald in the same Chain