Among stories involving Nightmare, the most eye-catching was an adventure in the Nightmare Dimension undertaken by a Doctor Strange from a certain universe. There was no need to go into the details. In the end, that Doctor Strange mastered the Nightmare Dimension and gained Marvel's Dream Power.
Don't underestimate Dream Power Doctor Strange. According to the comic power scale, he was the strongest of all Doctor Stranges.
At the time, Nightmare punched Eternity, stomped Infinity, and beat the Living Tribunal senseless, while Dream Power Doctor Strange beat Nightmare senseless.
Under the box stacking theory, being able to stack above the Tribunal already meant reaching omniversal level. Nightmare had directly crushed the Tribunal and a host of other abstract entities, while Dream Power Doctor Strange had one-shotted Nightmare. Some people therefore speculated that his power was second only to Cosmic Cube Thanos.
What was particularly unusual was that the title of Dream Power Doctor Strange's issue included "Marvel," rather than being some personal side story from a parallel universe. This further elevated his ranking in power scaling.
Of course, Marvel Universe's Dream Power bore some resemblance to DC's Dreamscape. The limit of Dream Power was the limit of imagination. Put simply, like Superman, it could somewhat make wishes come true. Seen that way, Dream Power Doctor Strange's strength basically had no upper limit.
That was precisely why Schiller could not guess what he was doing suddenly appearing in the dream of someone from such a remote universe. The child in Lisa's womb was indeed special, but surely not special enough to require an omniversal powerhouse to act personally?
There was no other way to answer that question. Schiller felt that since Dream Power Doctor Strange might have set his sights on this child, he would not give up easily. In the