Lehman didn't believe Ethan had the ability to fulfill his promise.
To him, Ethan was nothing but an arrogant young man who didn't understand the gravity of the situation, oblivious to the true nature of the monsters on the surface — they were not your run-of-the-mill creatures.
Thus, Lehman eagerly anticipated the moment Ethan would reveal a face of dismay, a golden opportunity to teach this presumptuous kid a lesson on the rules that governed the frontline.
Ethan, however, remained indifferent to Lehman's expectations.
With Rhine's permission, he instructed all the wounded soldiers to gather together. Then, he activated the Holy Light Realm.
Having used the Holy Light Realm several times before, Ethan was relatively experienced in manipulating it.
Now, its coverage was immensely expansive; maximized, it could envelop the entire underground headquarters.