Urban Run is the 8th mission of Azure Striker Gunvolt, this is the easiest mission to obtain S/5 stars Rank.
This mission is pretty easy. You will find many trucks, garbage and boxes around the field. Yo uneed to dodge them to find Merak. Whil you play through the game, you will be attacked by many Lasers created by Merak to damage or kill you. Jump or dash to avoid them.
When you reach Merak with Joule in the end of the stage, he will talk with you or a bit and then summona Red Mantis, this Mantis have more Life Points and have a red skin. He cant use more Missiles and Sphere Balls to attack you. He can be destroyed when his Health reaches Zero, then you need to destroy the Core in his back.