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@angrybirdsfan56
I upgraded Optimus Prime to Level 9 on Tuesday. His Level 9 upgrade is a 1d 6h (1 day 6 hours [30 hours] {1800 minutes}). His weapon is fully upgraded. If I save my coins all the way up to 500,000 coins or more, I’ll upgrade him to Level 10 and complete the achievement “Ultimate Weapon”. I’m currently at rank 152 and my current game version is v1.4.19.