A legendary trio is a term used to describe a group of three closely-related legendary Pokémon.A total of 8 Trio are found in Pokémon Games.
In every Trio there is one Trio Master who usually the higher base stat than the other members of trio.
Total of 8 Legendary Trio can be conted as:
Legendary Birds:Articuno,Moltres,Zapdos
Legendary Dogs:Entie,Raikou,Suicune
Legendary Golems:Regirock,Registeel,Regice
Lake Gaurdians:Uxie,Mesprit,Azlef
Kami Trio:Thunderous,Landorous,Tornadus
Weather Trio:Groudon,Kyogre,Rayquaza
Creation Trio:Dialga,Palkia,Giratina
Tao Trio:Rashiram,Zekrom,Kyurem
So share your opinion that what is your favorite trio and why?