also maybe after you finish leveling up and blue souls are essentially useless anymore, a percentage of them can be transformed into red souls? or even no blue drops at all, since you reach lvl 40.
there seems to be a bug associated with the mobile icon. whenever i add a monster level, the notification exclamation mark pops up, without there being any actual notification in the mobile thingy.
 "Curl Up and Fly!")
 "Ninja Hamsters vs Robots")
 "Snail")
 "The Heist")
 "Zombie And Juliet")
 "Reach the core")
 "Edmus")
 "Fade")
 "Museum of Thieves")
 "Sentry Knight 2"){kind=logo}
 "Zombidle")
 "Cube Escape: The Cave")
 "Cube Escape: Case 23")
 "Cube Escape: Harvey's Box")
 "Diepix Arena 2")
 "Beloved")