There are two memorable times in my reading when pleading kindly got shoved and in the end, MC deadly force require.
1. Xianxia MC give a piece of his soul as a promise to the natives to safeguard his stuff and use their transfer gate. Natives destroy soul, hurting MC in process. MC enslaves natives instead (painfully I might add) and threaten to kill them all should his stuff got even scratched.

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