floatzel lvl 100:strength surf waterfall and bulk up torterra lvl 64:giga drain stone edge frenzy plant and hyper beam pikachu lvl 64:thunderbolt quick attack volt tackle and iron tail
weavile 55:metal claw blizzard ice beam and swords dance ursaring lvl 100:focus blast slash bulk up and hammer arm and electabuzz lvl 100:thunder thunder punch protect and light screen or honchcrow lvl 30 and up:night slash sky attack dark pulse and haze
gyarados, heracross, espeon, torterra, magmortar, salamence. this team is a beast.
The best non legendary Pokemon, or the best Pokemon in general, is a matter of opinion that depends on your prefered type. Ask anyone and they will give you a different answer. However, the non legendary Pokemon with the highest attack is rampardos, who is not in emerald.
Best non-legendary water pokemon would be Gyarados. Best legendary water pokemon is Kyogre.
Quagsire
The best legendary fire type is ho-oh. The best non-legendary fire type Pokemon is charizard.
Depends on your personal preferences. Slaking has the highest average base stats of all the non-legendary Pokemon if you want to base it off of that.
Jolteon.
Rayquaza is the best, but non-legendary is Salamence.
The best non legendaries are braviary, hydregion, and volcanrona
Unfezant and swoobat
Flygon, donphan or rypherior
Metagross is the best Non-Legendary Steel Pokémon. He's also Psychic.