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Smooth Operator
Defeat Oz in Descent.
第一次干掉Oz

How the mighty have fallen
Defeat Oz…again in Descent.
再次击退Oz

Reunion
Complete Oz's challenges in Descent.
完成Oz的挑战

Double Tap
Defeat Oz for the last time in Descent.
最后一次击败Oz

Big Game
Kill Oz with a Lynx in Descent.
使用Lynx山猫狙击步枪击退OZ

Coast 2 Coast
Cross the water with a teleport grenade in Descent.
使用传送手雷穿出水面

Size DOES matter
Punch Oz with a Goliath in Descent.
使用歌利亚机甲肉搏Oz

K.O.
Punch 20 enemies with a Goliath in Descent.
使用歌利亚机甲肉搏20个敌人

Nah, I'm good
Reach round 7 without anyone opening a door in Descent.
在第七轮之前不打开任何一扇门

Trick Shot
Kill 100 enemies behind you with the KL03-Trident in Descent.
使用Kz03杖型能量枪，利用其子弹弹射击杀100个身后的敌人