There's no 3 legendary lion in Pokemon FireRed. But, you can catch 3 legendary bird.
First, go to Seafoam Island, looking around, you'll find lv50 Articuno.
Second, go to Mt. Ember, go to the top of Mt. Ember (at first island), you'll find lv50 Moltres.
Third, go to Power Plant (near Rock Tunnel). Looking around, you'll find lv50 Zapdos.
Chat with our AI personalities
I put a link to a guide all about legendary pokemon in HeartGold in the related links.
Moltres is a legendary pokemon all legendary pokemon are harder to capture.
no all legendary Pokemon do not evolve.feels evolves into milotic.
defeat all gyms,elite 4 and champion of that region to catch legendary pokemon
get all Pokemon you hav to lvl 100