EQUIP a Prowler. FIRE will send the Prowler out, causing it to travel in a straight line. The Prowler will lock onto any enemies or trails in their frontal vision cone and chase them, nearsighting them if it reaches them. HOLD the FIRE button to steer the Prowler in the direction of your crosshair.
[C] Prowler can serve many different purposes for your team, but is typically used to reveal, or pressure players in areas of the map that your team wants to gather information in, or show presence in.
[C] Seize has many uses, but is often used to trap enemy players in positions that open up opportunities for follow-up utility from yourself or your teammates to pick them off. This can also be used to clear enemy players out by throwing the Seize out in the open, and then seeing if it's tethered to anyone.
[C] Haunt has an incredibly high skill ceiling, that gives you the opportunity to get creative with how you the ability! However, it is often best to use simple, but difficult to react to Haunts that create opportunities for your team to take advantage of.
[C] Nightfall sends out a massive wave that deafens, decays, and trails enemy players caught in it's path. This, especially when combo'd with some of your other utility, can create the opportunity your team needs to secure a round.