YouTube Channel link
I've been checking out his videos lately and unlike the usual high rarity and plus egged teams of most Puzzle & Dragons video on YouTube, he showcases mostly teams filled with farmable leader and subs, other than the friend leader. It's entirely in Japanese but nevertheless, a great team-building information resource for various dungeons. I really need to get a Beezlebub to ultimate evolve. I manage to get all the required orbs from gift dungeons and Pal Egg Machine events. You can see from quite a few videos that he can be used to clear a lot of difficult dungeons!