break verdanttuff's rocks, i think.
The HM04 Strength can be found in Rusturf Tunnel in Pokemon Sapphire.
unova
brake the rocks in the cave of verdanttuff town
strength
use strength
the fourth gym its a fire gym
a hole bunch of places it allows you to move rocks
Sapphire symbolizes wisdom, virtue, good fortune, and protection. It is believed to bring clarity of thought, strength, and calmness to the wearer.
you can get strength HM from using rock smash on the rock that seperates the couple in the village across from marvile which you get rock smash from.
You need HM Strength.
use rock smash on the rugged rock and the guy will give it to you when you smash one of the rocks
You can move that boulder by using the hidden move strength.