Pokemon with mean look can stop Pokemon from fleeing
it prevents the other Pokemon from healing
Yes, the everstone.
Prevents your opponent from fleeing. Trainers can't switch Pokemon
An Everstone is an item that can be given to a Pokemon. It prevents any Pokemon from evolving.
No Pokemon with wonder guard is an abilty that prevents non super effective moves to effect your Pokemon
Just use Crobat, it has an ability that prevents wild Pokemon from fleeing, as well as Golbat.
Shed Shell is an item that a Pokemon can hold which prevents moves or abilities from stopping your Pokemon from switching.
Get a Pokemon that has the move mean look. Mean Look prevents the opponents Pokemon from leaving. Try getting a ghastly
No, it is impossible to breed Mewtwo and Mew with any Pokemon or for any Pokemon. Their Egg Group is No Egg, which prevents them to breed.
None. An everstone is a stone that prevents evolution. It needs to be held for its effect to take place.
The ability 'Vital Spirit' is an ability that prevents the pokemon with that ability to fall asleep. It is similiar to the ability 'Insomnia'.
Mean Look prevents a pokemon from fleeing in from battle. It's useful when catching Cresselia and Mesprit, if that's what you're after.