Is everything pre-determined in OOTS world?

[woweedd]

yes, really.
Whatever the amount of omniscience the Oracle may or may not possess, it is limited to "in world" of OoTS world, not how Rich will draw the comic. That's the context.

I was disputing the part where he needs to enter a trance, which he clearly doesn't, judging by, for instance, his power to understand Haley.