Sir Lancelot is a Broccan Knight of the Round and appears in different locations depending on which version of the game you are playing. After patch 0.8.6 Sir Lancelot first appears on Bastion. After patch 0.8.7 Sir Lancelot can be met at "New" Southend. Before patch 0.8.7 Sir Lancelot can be met at "Old" North Beach in "Old" Corsica.