The author is one of the best Slay the Spire players in the world. Here's an example of a fun run at ascension 20: https://www.youtube.com/watch?v=Rgu-lMQnA74
He isn't the most talkative player.
Other interesting people to look up are https://www.youtube.com/watch?v=oEvDtGBqQFk .
Another good one is lifecoach1984 on twitch.