You can't find steelix in the wild you will need to have someone trade you an onix holding metal coat or you trade it and then ask your friend for the steelix and then you will have one.
you use a rock plate on onix and lvl him up
give it to steelex or syther to evolve it when you trade
You cant find it in Firered only leafgreen.
steelex does not evolve for it is a final evolve form of onix
While it was possible to find missingno. in Red version, it is not possible to find it in FireRed.
You can't find the Old Sea Chart in FireRed.
You can find Murkrow in the Lost Cave in Pokémon 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.
there is only one master ball that you get in firered
You can't catch misdreavous in firered only leafgreen can.
Whirl islands are in the johto region which is not in firered.
You are Red.