She was introduced as an inexperienced witch and sought out Bonnie Bennett to help her.
He completed the merge ceremony with Kai through a loophole because he didn't want to kill Liv, nor did he want Kai to do the same to Jo and take the leadership of their coven.
Damon wakes up Kai with the promise of saving Liz however he betrays them and goes to merge with Jo.
After Elena's birth, a heartbroken Isobel gave her daughter to Grayson and his wife Miranda Gilbert.
Eventually, he finds a way to control this, and Damon trains him.
In season two, Jeremy falls in love with Bonnie Bennett and they start a relationship.
After her sister and brother-in-law were killed in a car crash, she took over as Elena's and Jeremy's legal guardian and moved into the Gilbert family home.
Hurt by Caroline's decision and wishing to protect his friends, Tyler later leaves town with Jules.