Get in less than 5 minutes!
Round 1 - 1 shot and knife zombies.
Round 2 - Clear debris for 500, open door for 750 going to upper grand staircase, 2 shot and knife zombies.
Round 3 - open door for 1000 leading to 1st class lounge, 2 shot and knife zombies, open door for 1250 going from 1st class lounge to promenade port deck.
Round 4 – Bank 1500 points, if you are running low on ammo use your special weapon, clear debris for 1500 to poop deck, walk up the stairs and grab the blue sentinel artifact.
This can be done on casual