Siege Masters...how to get 500?

[Forward]

• 500 x Follower of Vanagandr (463 / 500)
  
  
• 500 x Follower of Skoll (475 / 500)
  
  
• 500 x Nord Chosen Champion (455 / 500)
  
  
• 500 x Siege Master (462 / 500)
  

1. I will kill them less once I finish what remaining.
2. Don't barrel stupid wave 5 so I can complete stupid followers faster.