When knighton is under attack by jestro lego nexo knights knights roll into action send out the fortrex the huge 2 in 1 rolling castle launch the knight cycle and aero striker v1 to engage the ash attacker and scurriers fold out the walls to reveal the hi tech hq and get your brief from merlok 20 and plan your next daring mission at the round table to stop jestro taking the book of evil includes 5 scannable shields for nexo powers ground power super human speed hawk holler chicken