Pretty well, actually. Well, again, it's not always a sure win, but I can really draw out a battle if I want to and the longer it goes, the less likely the opponent will win. I've even had people ragequit on me because they couldn't beat one of two Pokémon: Aegislash or Lapras. I know most people don't like Lapras because it's not overly strong Pokémon, but it's naturally high stamina makes it very difficult to KO. It gets even worse when you take the time out to max out its Defense and Sp. Defense EVs. I even went the extra length to get one with Bold Nature and the respective Def./Sp. Def IVs just to get better endurance. Add Water Absorb ability, the item Leftovers, and the move Freeze-Dry to the mix, and it becomes another Water-type's worse nightmare. It takes a little work sometimes, but I can generally trap people against Lapras and some of their attacks become almost worthless. I've even gotten so bold as to endure Fighting-type STAB attacks for the first turn to just see if Lapras would survive, and it almost always does. I'm shocked how much it damage it can take before someone actually KOs it.