Silent Hill 2 Remake has a final boss encounter with Otherworld Maria/Mary, with three battle phases and unique attack patterns.Equip yourself with enough ammo, healthy drinks, syringes, and Handgun, Shotgun, and Hunting Rifle.First battle phase: keep your distance, dodge projectile and tendril, and take a shot whenever possible.Second battle phase: keep looking around for the Swarm's red indication or the boss preparing an attack, use Shotgun for close-quarter combat.Final battle phase: stay close and dodge limb strikes, use best weapon and all remaining ammunition, anticipate attack patterns, and keep dodging.Additional tips and strategies: go all out, rely on the Shotgun for close combat, and dodging is the key to winning.