If Ajax had to use his own strength instead of summoning his elemental spirits or contracted spirit beasts, then he doubts he would win against the owner of the dimensional crevice.
Moreover, since he stays in the dimensional crevice, his cultivation would be not limited by the Zrochester province. So, chances of him already having a cultivation of the King realm are high.
So, Ajax didn't want to take the risk as he was not in a hurry to upgrade his dimensional crevice.
Currently, Ajax had many other things to take care of and decided to postpone the dimensional crevice challenge for his next visit to the Purple stone world.
"Cerauno, Volcanis….."
After going back to Gaimont's territory, Ajax summoned a few of his elemental spirits and ordered, "Everyone split up and bring me the corpses of rank 3 and above spirit beasts."
"Yes, summoning master."