It is HIGHLY recommended that you save your Masterball for that Pokemon. Because (Much like Entei/Suicune/Raikou in Pokemon Fire Red/Leaf Green it is a roaming pokemon thus it will flee from battle on it's turn.) If you wasted your masterball on another pokemon (Dont worry i did it as well. wasted it on Rayquaza in Pokemon Sapphire) you can use a trapinch with the arena trap ability (so latios cannot escape) or if you have a cro/gol/zu bat on your team and it knows mean look use that so it cannot escape.
get the masterball inthe hideout of team aqua then find latios
How do you catch latios in Pokemon sapphire
No...unless you defeated the Latios...
need to migrate or trade
no it is found in the wild.
you catch latios in the dragons den after defeating claire, you get to choose either latias or latios
no you can not you have to trade for Latios
yes unless you have a master ball latios is hard to catch
Uhh... everyone who could catch LATIOS.
no just watch ur tv
Latios is only in SoulSilver. You'll have to trade
You can't. Latios can only be found on Ruby. Latias is in Sapphire. And believe me, they are a PAIN to catch. You need at least 50 balls of any kind (not Master) to catch them. Unless you are extremely lucky like me. Tee-hee!