Complex sentence: The Kobold's perennial role has become a recognized running gag among gamers; however, this has been changed to some extent with an article on Meepo, a kobold NPC from a low level adventure, Wizards of the Coast's "Sunless Citadel".
Split into simpler sentences: The Kobold's perennial role has become a recognized running gag among gamers. However, this has been changed to some extent with an article on Meepo, a kobold NPC from a low level adventure, Wizards of the Coast's "Sunless Citadel".