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Aegislash's main reliable weakness is to specially defensive Will-O-Wisp user that can deal enough damage to prevent them from being complete set-up fodder but heavy hitting or very defensive dark and fire types work well. I am not entirely sure if Aegis is broken, because of the fact that...
Name: "Electric-Stopping Jack of Trades"
General Description: "A pokemon which can fulfill many roles well from sweeping teams to breaking walls to supporting a team but excels at one thing best - walling electric types."
Justification: "Electric typing has always been a great boon throughout...