That Time I Got Reincarnated as a Slime 16

As players of Monster Hunter and Dungeons & Dragons know, the slime is not exactly the king of the fantasy monsters. So when a 37-year-old Tokyo salaryman dies and wakes up in a world of elves and magic, he's a little disappointed to find he's become a blind, boneless slime monster.

THE DRAGON'S DOMAIN
 
In the aftermath of Rimuru’s ascension to Demon Lord, his friends and allies are taken aback by his newfound power, but even more shocked at the return of the dreaded Storm Dragon, Veldora. Meanwhile, the other Demon Lords are all too wary of Rimuru’s evolution, which upsets their delicate balance of power and seems to be a harbinger of greater struggles to come...