Aldaron
geriatric
Posting this because I don't like the current Nasty Plot analysis. It can also get "decent coverage," as the analysis says, with just two attacks, and thereby save room for the ever useful Roost. I also ran different EVs.
http://www.smogon.com/dp/pokemon/crobat
[SET]
Name: Plot Roost Bat
Move 1: Nasty Plot
Move 2: Roost
Move 3: Air Slash
Move 4: Hidden Power Fighting
Item: Leftovers / Life Orb
EVs: 252 HP / 16 Def / 24 SpD / 216 Spe
Nature: Timid
[SET COMMENTS]
<p>With Air Slash + Hidden Power Fighting, Crobat is able to hit every Pokemon, besides Rotom and Zapdos, for at least neutral damage. Nasty Plot increases Crobat's admittedly dismal Special Attack. Roost allows Crobat to switch repeatedly into Stealth Rock and heal off all unnecessary damage.</p>
<p>At 385 Speed, Crobat is outspeeding all Pokemon that reach 383, like Weavile. Outspeeding Weavile is important because Weavile's Ice Shard will never OHKO, while Crobat's Nasty Plotted Hidden Power Fighting will. At 374 HP / 206 Def / 196 SpD, Crobat is bulkier than the standard Starmie, and it can uses its 50% recovery move to remove two common weaknesses, Electric and Ice (though, in the process, adding a Ground weakness). Crobat's typing is also very useful in allowing Crobat to switch into battle more efficiently.</p>
http://www.smogon.com/dp/pokemon/crobat
[SET]
Name: Plot Roost Bat
Move 1: Nasty Plot
Move 2: Roost
Move 3: Air Slash
Move 4: Hidden Power Fighting
Item: Leftovers / Life Orb
EVs: 252 HP / 16 Def / 24 SpD / 216 Spe
Nature: Timid
[SET COMMENTS]
<p>With Air Slash + Hidden Power Fighting, Crobat is able to hit every Pokemon, besides Rotom and Zapdos, for at least neutral damage. Nasty Plot increases Crobat's admittedly dismal Special Attack. Roost allows Crobat to switch repeatedly into Stealth Rock and heal off all unnecessary damage.</p>
<p>At 385 Speed, Crobat is outspeeding all Pokemon that reach 383, like Weavile. Outspeeding Weavile is important because Weavile's Ice Shard will never OHKO, while Crobat's Nasty Plotted Hidden Power Fighting will. At 374 HP / 206 Def / 196 SpD, Crobat is bulkier than the standard Starmie, and it can uses its 50% recovery move to remove two common weaknesses, Electric and Ice (though, in the process, adding a Ground weakness). Crobat's typing is also very useful in allowing Crobat to switch into battle more efficiently.</p>