sentences:  At the start of the 2nd season, Delenn uses a special artifact to transform into a half-human, half-Minbari hybrid - initially treated with suspicion by humans and Minbari alike.Delenn was instrumental in also getting Sinclair to be stationed as the first Earth ambassador to Minbar, since unbeknownst to Sinclair initially, they chose him because he was the first human the Grey Council had any direct contact with during the Battle of the Line
  
  In season 2, Delenn and John Sheridan fall in love, which drives a further wedge between the Minbari religious and warrior castes, who soon break a thousand years of cooperation and begin a civil war against one another.After Sheridan and Babylon 5 break away from Earth, it is Delenn who rescues the station with a fleet of Minbari ships, but the cost of destroying the symbolic circle of the Grey Council.