Here it is, the best news of 2021 so far: Slay The Spire is being adapted into a board game. The tabletop treatment will turn Mega Crit Games' fab little deck-building roguelike into a four-player cooperative adventure. Much like the video game, you'll have to craft a deck and collect relics to beat up the baddies, and ultimately Slay that Spire. This is exactly the…