This is the walkthrough for the backtrack to the Steel Mill in Batman: Arkham City. We still need to locate the Joker. Right at the beginning of the game it's inaccessible and you can explore as part of the Access the Sionis Steel Mill through the main chimney main mission. When the number turns red Batman is getting further from his destination. the chimney mentioned in the name of the mission can unfortunately be used only once, as it will be blocked further into the game. Sionis Steel Mill.
Location info. It can be found by moving in a direction that decreases the onscreen number. The Steel Mill is on the south eastern portion of the map. DO NOT use the main road, as there are two snipers on the drawbridge #1.Instead, go maximally to the east and only afterwards turn south #2, flying above the water or using the Grapnel Gun to grab one of the cranes. Access to the Sionis Steel Mill is very limited. In this chapter, Batman infiltrates the Joker's Arkham City Headquarters, saves a doctor, beats up a hammer-wielding freak and...well, let's not ruin the ending just yet! The main walkthrough will take you from point A to point B, forgoing all the Side Missions you'll come across. Welcome all to the IGN walkthrough for Batman: Arkham City. In order to reach the Sionis Steel Mill you of course need to head to the industrial district in the south-east part of Arkham City. In this chapter, Batman returns to the game's first level for a showdown with the Crown Prince of Crime. Follow his signal to the Sionis Steel Mill and enter through the main chimney. This is the walkthrough for the Steel Mill level of Batman: Arkham City.