You've killed us both

[Lodestone]

problem 1: the red goo never acctually hinders you, it follows, and traps you further in the castle, so it is infact bringing you closer to alexander

Alexander doesn't want you to escape the castle, either. Hence the goo just tries to hinder/kill you. It doesn't succeed, of course.

, also, and i'm not too sure about this one, but there was no way for alexander to find out about the orb before someone is already killed by the shadow, not sure, i need to check it, but i'm pretty sure he finds out about it from daniels letter, at least, thats when he finds out daniel has one,

In the Revelations chapter of the diary, Daniel mentions that, while he was sent back to England, the dig party was attacked by something in the night, and that most of the workers were missing. Alexander was looking for the same Orb that Professor Herbert was, and he could have found out that Daniel had recovered something from the tomb.

and another thing, you claim that maybe daniel was more powerful than alexander because he had the orb earlier, this is a pretty big assumption, considering that daniel had no idea of what the orb was capable of and no concept of how to use it, and the first time he realises it has a substantial amount of power is in the first ritual, this is shown in one of the notes, and alexander, while having destroyed his old orb, is at least more adept in using them than daniel.

Alexander himself said that the Orb imbues power to whoever possessed it, as long as they're not too weak. Also, remember that Daniel had a nightmare, then he suddenly knew how to reconstruct the Orb. The Orb was giving its power to Daniel.

Also when Agrippa found the first Orb in a cave in Alstadt, he didn't know how to use it. But when he was being chased through the forest(by Alexander's servants, according to my theory), the Orb began to glow, and he was teleported beyond the Alps to safety. (In a later note Alexander mentions that he obtained the Orb found by Agrippa, which he accidentally destroys). So even though Agrippa didn't know how to use the Orb, its power protected him.