in master, under level lost sector it's unable to or barely able to stun a barrier champion.
it needs a buff againts barrier champions and gameplay without champions.
the buff should be:
similar to arbalest the barrier champ should be 1 pop with the exotic and stunning a barrier champion (maybe also when a teammate stuns) refunds 1 or 2 melee charges.
+
for neutral gameplay hitting enemies with melee throw should refund some melee energy (10%) on each hit or maybe whisper of shards level of melee regen when you have an overshield.
let us build into the shield throw fantasy.
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This is what happens when you don't play test things. Live service gaming baby lets go!