Adam had been preparing for the battle against Arnoth for practically an entire month. It was the first time he knew which monster would be his enemy, where it was, and when their fight would take place.
He had never prepared for a battle before, only for missions.
Adam didn't know that at the Fume Cathedral, the Plague Reaper would appear, just like he didn't know about the Crimson Monarch's temple under the Fortress of Lone Serpent.
Sure, he had a fight against Fromund at the Moon Colosseum and trained with Reinz, but it was all different.
Arnoth was an S5 monster. Adam was aware of it, of what he had done and what his chances of winning were.
Thus, Adam realized that he most likely needed to open the last lesser gates and get rid of the Crystal Gates completely. This would allow him to get the full power of the Stellar Flow and get closer to creating the Third Key.
