I've been doing The Corrupted NF a lot since yesterday to try to get the Pulse Rifle and the Relic Rumble Triumph "Only hit Sedia with Charged Batteries", but everytime we have thrown the batteries to all 3 of us to fully charge the battery and then throw it at Sedia and the other shielded enemies and nothing happens. We never get the Triumph, even tho we've done what the triumph says we need to do many times now. Its glitched/bugged.