GilvaSunner is a brand new user who hosts a high quality server for Slender Fortress in the creation and recreation of many bosses, several maps, and created the brand new bosses overlay for the gamemode.

Being an expert creator, GilvaSunner has created almost every single high quality Slender Fortress boss, map, and every musics there is. Along with these major contributions to the Slender Fortress community, as aforementioned, GilvaSunner also hosts what's widely considered to be the "flagship" Slender Fortress servers, due to them being the most content-filled, populated, and hyperactive Slender Fortress servers of them all.

List of bosses appeared on SiIvaGunner's serversEdit