I just got the whisper catalyst cuz I figure it's important before its gone however I ran through the heroic whisper mission after unlocking the catalyst and got all 6 chests, and my catalyst only got to 12%.
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[quote]I just got the whisper catalyst cuz I figure it's important before its gone however I ran through the heroic whisper mission after unlocking the catalyst and got all 6 chests, and my catalyst only got to 12%.[/quote] You have to kill the boss too for more %