Kill ten
ACH_KILL_TEN100.0%

Achievements and their recorded unlock rates.
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ACH_KILL_TENACH_SURVIVE_ONEACH_TRY_KILL_PARATROOPERACH_NO_DAMAGEACH_KILL_BEFORE_THROWACH_KILL_FIFTYACH_SURVIVE_FIVEACH_KILL_ONE_HUNDREDACH_KILL_WITH_GRENADESACH_SURVIVE_TEN