You can find HM Strength south of Soleacon Town at the top of the Lost Tower. One of 2 ladies at the top gifts you with this.
you mest get the hm strength.
The move in Pokémon Diamond that allows you to move boulders that are in the way as you're traveling the Sinnoh region is called Strength. Strength is a Hidden Machine that you can find in the top floor of the Lost Tower.
its called strength and you get it from a gymleader that you beat
easy you get the hm strength and then you can move all the bolders you need to
you can use the hm strength you can smash rocks with rock smash
you have to get the hm strength then beat the gym leader in canalave city
You use Strength to roll the movable boulders.
HM04 strength is located in the Lost Tower in Pokemon Diamond. The Lost Towers is located on route 209 just south of Solaceon town.
Go to the move deleter in Canalave City (that is the only way to delete HM moves.)
You can get Gible on Pokemon Diamond in the Wayward Cave hidden under Cycling Road in Route 206. You will need the HM move Strength to access the cave.
a gym leader can't teach a Pokemon that move but you have to defeat the 6 gym leader in order to teach that move
get hm strength from iron island beat the gym leader in canalave teach strength to 1 of your Pokemon in your party and there you go