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Garena not allowed us to trade/buy/sell or equivalent any kind of account(s) that you have. It is already stated in the Abuse Policy.
All accounts, and in-game items are properties of Garena Online Pte. Ltd. You are NOT allowed to buy/sell any game item or game account for any monetary gains.
Penalty for Monetary Trading:
1st Time Offender: Permanent Ban.
Owner(s) in concern will be required to re-activate their account by e-mailing to firstname.lastname@example.org for verification before they can access their offending game account after the ban period.