After Apophis ate the Demons inside Tartarus, he followed Surtur's aura towards another hole which is actually a portal to Allen's Divine Kingdom in the Asgardian Realm.
However, Allen did not attack Apophis and merely let him pass.
At the same time, he did not forget to strengthen the defense of the Divine Kingdom. However, he made it in a way in which the Demon would not be threatened. At the same time, if the Demon attacked, the Divine Kingdom would not be severely damaged.
"Hmm! He finally left. Hehe!"
Allen chuckled as he knew that his plan is about to start.
…
"Fucking Apophis! You are freed already?"
Indeed, in a few moments, as Apophis appeared inside the Asgardian Realm, he immediately sensed Surtur. Likewise, Surtur also sensed him and was shocked to know that he was already freed?
"Apophis, who unsealed you?" Surtur asked as he rushed out from the Jotnar's cave.