What's the difference?
They both seem to do the exact same thing
Both stick to a surface and dot
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Lightning grenade is the shit ;)
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Lightning can two-shot kill in PvP, but only pulses is a cone in front of it. Once you learn your walls , the Lightning is way better. I got a team-wipe a few days ago in the first 10 seconds of the game. Just learn your routes and where to throw.
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Lightning covers a bigger area and does more damage