Players do get little glimpses of the Xenomorph before this point — they'll witness it kill an NPC with its tail, hear it ...

This is the main gimmick of the fight. The rest is primarily repeating this process with a tankbuster in-between and the Ray ...

You can begin working on Victor’s Vigil shortly after you rescue Victor from the tunnels, after you go looking for the blacksmith whom the ON took. Victor gives you the key to the blacksmith’s house, ...