Teach your Floatzel Ice Punch to use against Cynthia's Garchomp and Surf to use against her Lucario and Gastrodon.
Use ice type moves or dragon type moves. You should use a Weavile, or a Floatzel or Starmie with ice type moves. There are several other options...
get all of youre Pokemon to at least level 60. then get 20 revives and 20 max potions.
Beat the pokemon league Cynthia is the champion
yes they are really good depends also on the level there are but they are an awesome team i beat the elite four and Cynthia using those same Pokemon but mine were level 89 i battle with them like crazy to reach that level but they are really good choice
Celestic town
make your floatzel learn icebeam by TM but level it up first because her garchomp has giga impact.
You then have to beat Cynthia
bla bla
you get that AFTER u beat Cynthia.
you go to the hall of fame and all the Pokemon in your party get a ribbon that proves you beat Cynthia after that there is a long credit roll
yes
impossible