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User blog comment:Tegarmaji/Notable Optional Objectives in ACB & ACR/@comment-1888015-20120326045448
ACB - The Temple of Pythagoras: Do not lose any health squares.
If Ercole Massimo's guards weren't annoying enough, considering you'll have to probably counter some reactively, the obstacles in later rooms are pretty much designed to damage you if you slip up.
Very frustrating.