Thread:JosephHawk/@comment-23901770-20131116133512/@comment-3023564-20131116234007

You don't infect specific troopers to get a specific infected. If you want your best shots at an Arch Stalker, you will need to infect a Bio Grenadier, Laser Trooper, or a Wolf Grenadier. You may get a different unit, whether you like it or not. You may even get a colossus.