Jhessail was a high-ranking member of the Knights of the Black Fist.
She exemplified the corruption and cruelty that was synonymous with organization and prospered.
In 1489 DR Jhessail lead a rebellion against Vorgansharax but was betrayed by her fellow officers and captured.
She was freed by an adventuring party hired by the resistance and managed to escape Phlan.
Around 1492 DR, Jhessail led an alliance to reclaim Phlan.