it'll be in the grasses of sinnoh
use meanlook + hypnosis then ultra ball
Use a quick ball and hope- but if it doesn't work it will flee
There is no TM for it. You have to catch a golbat that knows it. I can see your looking for Mesprit or Cressila. Train the golbat to 100 speed or your mean look will perform after it flees lol. ~Wariolink~ Pokemaster
Yeah it is possible to catch kyogre with out wasting your masterball you wont have to use it until you see latias and latias requires you to use your masterball.
use a Pokemon like golbat for an example use "mean look ' or whatever its called it doesnt let the Pokemon escape. damage it, make it sleep catch it
weaken it and put it to sleep
you can, the catch is fairly easy even without a masterball although I woul use ultra balls if you arent going to use a masterball. I you knock out reshiram without sAVing before hand you can try again after the credits at dragonspiral tower
A fleeing legendary pokemon
No, not quite. An ultra ball should do it. Catch and/or use a Pokemon that knows Mean Look such as Golbat/Crobat. Then weaken Mesprit so you can catch it. If it faints turn your game off and then back on. Just make sure you have lots of ultra balls and potions (hyper/max/full restore).
try using dusk balls
Mesprit roams Sinnoh.
zubat golbat or crobat not sure but if you are trying to catch Mesprit it wont let you use those moves on it, it will flee before you have a chance to use it
follow him (this is best done by switching in between 2 routes until he appears on one of them) and either use mean look on him or get him to the red zone with a status problem (preferably paralyzation) and use a quick ball or dusk ball at night until you catch him hope this helps XD