Missions ending with bosses are not fun in anyway what so ever. It's either vs waves of enemies or fight a single boss who is a BULLET sponge.
I've spent the last TWENTY minutes shooting bullet after bullet into the bosses head and he's not even down to half health. This is with a full fire team also!
It just isn't fun. I dread strike missions now, clearing a schedule just to kill one boss isn't fun it's tiring.
Edit: People are saying "bosses ain't hard" etc. It's not about being hard, it's about the grind of 20 mins shooting a single enemy in a tiny arena. It doesn't take skill to defeat the enemies but time instead
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The only boss fight that takes anywhere close to that long is the priest fallen guy on Venus, mostly because the adds are actually really dangerous. Any other boss and my group almost always downs him in 10 minutes or less when we're equal level. Either your group sucks or your weapons suck.