This tier list ranks the effectiveness of Rainbow Six Siege operators for breaching and entry fragging. From the reliable powerhouses like Thermite and Ace, capable of opening crucial walls, to the aggressive initiators such as Ash and Zofia, this list dives deep into who dominates the early game. We'll assess the impact of hard breachers, soft breachers, and flank watch specialists like Iana and Nomad, considering their gadget utility, firepower, and overall contribution to a successful siege. Discover which operators will secure your team the crucial opening kills and map control, and which might leave you vulnerable.