The Burning Tree clan, led by Borborygmos , is the most fearsome and powerful. This clan is also the largest and most diverse, having branches in several districts of Ravnica. The fear and awe inspired by Borborygmos himself allows this clan to keep a strong reign over diverse and geagraphically separated members. The symbol of the Burning Tree Clan has come to be regarded by the Ravnican populace as the symbol for the entire Gruul guild .