Rock Climb is not a move in the game. It wasn't a move until Diamond/Pearl/Platinum, which came out after FireRed.
Use the HM move Strength.
RFDHDF
You have to defeat them.
You can use the move strength in Pokémon to move boulders. You can use strength in FireRed after getting the rainbow badge.
Twineedle, Focus Energy, Sludge Bomb, Endeavor, Endure.
Endure is NOT an ability, it is a move that leaves 1hp if a possible 1-hit ko move is used
You can't
Rock Climb is not a move in the game. It wasn't a move until Diamond/Pearl/Platinum, which came out after FireRed.
Use the HM move Strength.
Two Island.
you get the HM strength
there is no such move as stength
RFDHDF
Yes, yes it is.
Tm58 is a pokemon move called endure
Use the pokeflute.