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[This is the third thing I need to warn you about: the mental pressure from the dual coat will skyrocket with each advancement.
[If the dual coat is interpreted as a dual personality, you might still be able to distinguish them outside the Secret Realm, allowing both personalities to coexist peacefully; but once you enter the Secret Realm, they will intertwine, and it's fine if they share the same goal and move forward together, but sooner or later, conflicts and divisions will occur.
[And when one personality ascends, it gains stronger self-will and aggressiveness, leading to mental imbalance. The exclusiveness in its nature will cause it to attack the other personality, which would be disastrous for anyone.
[In other words, for those wearing the dual coat, every advancement is a trial by fire, with madness as the price of failure, and even if one succeeds, they are burdened with even greater pressure, moving towards an even fiercer tribulation.]