How do you get mespirit on Pokemon pearl?

Mesprit is found on Route 215 of Pokemon Pearl Version. When you first step onto Route 215 Mesprit will appear and run away. Follow Mesprit to the following areas:

Follow Mesprit to Valley Windworks

Follow Mesprit to Celestic Town

Follow Mesprit to Lake Verity

Follow Mesprit to Sendoff Spring

Upon reaching Sendoff Spring, Mesprit will be ready for capture. Mesprit is level 50, so prepare your Pokemon accordingly.