You can find a Larvitar in the Sevault Canyon on Island 7. It is a 5% catch.
You cant find it in Firered only leafgreen.
While it was possible to find missingno. in Red version, it is not possible to find it in FireRed.
You can find Murkrow in the Lost Cave in Pokémon FireRed.
You can't find the Old Sea Chart in FireRed.
You cannot find Piloswine in the wild on Pokemon FireRed. You can find it's pre-evolved form Swinub in Icefall Cave on Floe Island in the Sevii Islands of Pokemon FireRed.
Whirl islands are in the johto region which is not in firered.
there is only one master ball that you get in firered
You can't catch misdreavous in firered only leafgreen can.
you can't
No
In a gameshark.
the safari