Fireteam Zero: Operation Harbinger Mission Pack

Oper at i on: Har bi nger s ends y our s qua d i nt o a t er r i f y i ng new s t or y i n t hr ee a c t s . Ca n y ou s a v e t he wor l d a nd ma k e i t home f r om a ni ght ma r i s h di mens i on? T hi s mi s s i on c a n be pl a y ed wi t h t he Mons t er Pa c k s or wi t h t he c or e mons t er s . I t a l s o i nc l udes a new s k i l l c hec k mec ha nic.