主线剧情类成就A（一定不會錯過）
本節為不會錯過的BOSS戰成就指南，共有4個成就。
The Bull
You defeated Lawrence Barrett, elite member of a secret mercenary hit squad.
擊敗Lawrence Barrett
The Mantis
You defeated Yelena Federova, elite member of a secret mercenary hit squad.
擊敗Yelena Federova
The Snake
You defeated Jaron Namir, Leader of Belltower's Elite Special Operations Unit.
擊敗Jaron Namir
The End
You defeated Zhao Yun Ru and by doing so, destroyed the Hyron Project.
擊敗Zhao Yun Ru並且阻止了Hyron計劃
