Lego Star Wars III: The Clone Wars Walkthrough

Asajj Ventress: Liberty on Ryloth

It's the final round in the Ventress story, but if you do it right it'll be over in a jiffy. Despite the several bases here, you only need to plant a strategic few weapons. First, head all the way north and build a cannon on the left base to take out the zapping machine that's in your way.