As Jace crossed through the portal his heads up display immediately started sending warnings about the environment and the planet's gravity which was roughly five times as strong as the human standard. The air in the atmosphere was filled with an abundance of sulfuric chemicals that would be harmful for him to breathe. Then there was radiation which was not something that humans had ever recorded but it was penetrating his armor and causing the burning sensation he could feel on his body.
He saw Sloth flinch as he crossed through the portal and started running and gunning. Gunning down demons he was unable to shoot from the front earlier. As soon as he had to reload he launched the empty magazine back through the portal throwing it with all of his strength as he glanced at the horse headed demon who he gained the notice of.
