Doc is a heavy armor, light speed defensive operator included with original release go the game. Doc’s special gadget is his MPD-0 Stim Pistol. Stimulations Pistol is capable of healing teammates, who are downed, from a distance which allows Doc to stay safe and the downed operative. Doc is an essential part to any team as he is able to heal teammates and himself when they need it the most which can surprise the attacking team.
Pulse is a light armored, high speed operator who was released with the base game. Pulse is equipped with his HB-5 Cardiac Sensor which detects enemy heartbeats through surfaces and obstacles. Pulse is great for flanking the attackers or making them think twice before entering a room. Pulse is a great operator to start out with as he is equipped with decent weapons and is an easy operator to become familiar with.
Castle is a defending operator who is medium armored, medium speed operator who is equipped with his armor panels. Castle’s armor panels are an upgrade to the standard barricades. His panels are able to absorb eleven melee hits as compared to three. These panels are still destroyed by one explosive charge, but in a last second push, Castle’s armor panels can mean the difference between winning and losing.
Mute is a medium armor, medium speed operator who was released with the base game of Rainbow Six Siege. Mute’s special gadget is his Signal Disruptor which jams enemy drones and attacker’s remote charge explosives within its range. Dokkaebi’s phone calls are affected by this if you are in the range of the jammer. If a defender is sitting on a jammer, their phone will not vibrate. Mute is great for hindering attackers communication and intel gathering to give the defenders advantage over the attackers.
Smoke is a medium armor, medium speed operator that was released with Rainbow Six Siege. Smoke’s deadly gadget is his remote Compound Z8 Remote Gas Grenades. Smoke’s gas grenades are thrown and triggered by the player and are able to injure or kill anyone that comes into contact with them. Smoke is great for shutting down rushes and blocking lines of sight.
