legendary water Pokemon after you kill them they never come back.......and regular water Pokemon is always there nomatter if you killed them....but they have to have at least 1hp left to catch any Pokemon.
Yes you can rematch greevil at anytime and he will still have his shadow Pokemon if you defeated them.
It depends what game you have. In diamond/pearl you can't. In platinum, if you make it faint (not kill, Pokemon can't die) you cab't catch it, BUT you can catch again its its ALTERED FORM (which looks cooler).
any Pokemon if you want to nearly kill it use a move like rollout e.c.t
no, you cant regenerate, mabye a cheat would.
it can make all of the wild Pokemon shiny and u have every item times 900, you can catch any Pokemon without fail and you can catch your opponents. press select and it's and automatic kill and pretty much anythink
yes
after you get past the reverse world go to lake Verity there you will findmisprout and after that Professor Rowen will talk to you. Then go to the other lakes and catch the Pokemon of the lakes.
kill it or catch it
Catch the Pokemon or head straight to Sunnyshore City
er...fight it with your Pokemon and then throw a pokeball at it. it should catch it... yes fight it but not kill it
you go to three lakes
You can catch him anytime at the Three Lakes of Sinnoh.
you can catch all of them after you free them from team galactic, just surf to the middle of the lakes, mesprit runs and you have to find it in the wild
nothing
Yes you can rematch greevil at anytime and he will still have his shadow Pokemon if you defeated them.
You can't catch a Dragonite but you can catch it's first evolve form Dratini in certain lakes at Mt. Coronet with a super rod.
Nothing, you just can't catch him.