I don't know if you Ninjas would know or not, but maybe a player would. Let's say you kill Calus but haven't done the portions before that. Can you still do those portions or are you hard locked to beating the Calus fight? I know VoG was like that on it's initial release but I could have sworn TTK or later raids weren't like that. Asking for future reference.
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Killing calus alone does not disqualify you from other encounter rewards.