# The Realmgate <img src="https://cdn.poe2db.tw/image/Art/2DArt/UIImages/InGame/MapLegend/Stargate.webp" class="size64"/> Used to place [[Simulacrum Splinter]], [[Breach Splinter]], [[Petition Splinter]], and [[Runic Splinter ]] to open portals and challenge special bosses. Using 50, 100, and 150 splinters allows you to challenge bosses of Normal, Cruel, and Merciless difficulty, respectively, and gain specific Atlas Points.