From the earliest stages of drawing up his "hunt" plan, Klein had focused on recruiting enough helpers to travel to the Forsaken Land of the Gods, rather than challenging a higher Sequence Beyonder of his own Pathway with his strength as a Sequence 3 Scholar of Yore.
Thus, after confirming that Angel was willing to help, his other choice had been Messenger Miss, Reinette Tinekerr, who had once been an Angel but had since lost her body and become a spirit world creature.
Since this operation was highly dangerous, and one misstep could leave them stranded in the Forsaken Land of the Gods, Klein had only secured her help by promising that, after becoming an Angel, he would help the Rose School's Temperance Faction fight the Indulgence Faction and help Reinette find her lost body.
His method of "smuggling" this spirit world creature into the Forsaken Land of the Gods was simple: have her hide in the smooth surface of a gold coin, seal it inside a cigarette case, then have Klein's historical projection sacrifice it to the Gray Fog above, before bestowing it upon Klein, whose physical body remained in the Forsaken Land of the Gods.
The only risk in this approach was that he would bring a complete Angel-level being into the Gray Fog. If anything went wrong, he would need the strength of an Angel himself to handle it. Of course, having fully digested the Scholar of Yore potion and holding various Cards of Blasphemy, the Staff of the Stars, and other Sealed Artifacts, Klein was indeed equivalent to an Angel above the Gray Fog.
Watching Messenger Miss successfully leave the gold coin and descend upon the Forsaken Land of the Gods, Klein knew that the step most likely to go wrong had been completed. With Angel,