The Ward of Dawn reads: "Shape Void Light into an indestructible shield to protect you and your allies from harm." Problem is, it isn't indestructible. A warlock's Nova Bomb can still break it, as in make it fully go away. This isn't proper for what the description of the ability reads (nor is it really fair when it's not an offensive ability anyway..)
Magnetic Grenades don't seem to track as well as they should. Was in a match, threw a magnetic grenade, it looked like it was going to stick a player. It tracked, bumped into the player, then just "bounced" off onto the ground, counter to what it should have done.
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I think the magnetic grenade part of this was lag, it happens with my sticky grenade too, hits then on my end but not theirs so it magically ends up on the floor instead of in them.