For tournament play choose the Halfling Rogue character and start in the town of Arabel complete the Purple #1 mode then complete Arabele Dungeon… next to Kobold town and play the Purple #2 mode..
During Dragon Multiball, JP values decrease for every ball that drains. Consider using a Shield pre-emptively to keep balls in-play.
Hit the dragon a few times to light the right orbit for dragon multiball.
Right ramp and left orbit can often be hit when 'shield staging' by letting the ball rest on the shield and flipping.