At the same time…
Sunders had been to this projected garden in the Nightmare Realm for many times. He clearly knew the structures and monster distribution in this area.
When he arrived here, instead of going for Angor right away, he began going through his memory first.
The Nightmare Realm was a special place for many reasons. One of them was that this world could affect your brain. Sometimes the place removed certain memories from you or added something into your brain. It could also block certain emotions. In worst cases, you would no longer remember who you were. However, such things did not happen often.