Expansitan
Type: Dark/Poison
Height: 7.60m
Weight: 652kg
Ability: Space Dispersion*
Stats:
Hp: 90
Att. 160
Def: 100
S.At: 120
S.Df: 90
Spe: 120
Tot: 680
Pokedex Entry: It'is assumed that Expansitan is the lord of the dark matter in the universe. It tends to cause the explosion of the universe to continue the expansion started with the big bang, but its strength is contrasted by Contractan.
New exclusive move: Suffocation
Type: Dark, category: physical, Power: 140, PP:5, 75%, Priority:-
Suffocation inflicts damage and has a 20% chance of poison. 
Space Dispersion*:Expansitan has the 30% chance to have it Attack stat boosted by one stage at the end of each turn in battle

This is a main legendary of my fakedex, hope you like it! 
(This fakemon is private, you can't use it without my permission)