you can't get find eruption you can get it by leveling up.
You can get it at the goldenrod department store
there is no TM whirlwind in soul silver
i believe i got it at ice path, a man says he's frozen to the floor and asks you to retrieve the tm, and then allows you to keep it.
Aura Sphere is not available by TM or Move Tutor.
go to celadon city then go to the dept. store second floor talk to the lady at the counter and there you have TM thunderby darkman7788no, because i just went there and there wasnt TM thunderThis TM is found in the power plant.
You can get it at the goldenrod department store
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Scratch is NOT a TM.
You can buy stone edge at the battle frontier TM stand.
To obtain TM 45 (Attract), you must defeat Whitney. She gives it to you.
There is no TM for Air Slash.
there is no TM whirlwind in soul silver
TM 27 is Return.
There is no TM Dragon Drance
is the TM number 13
Eruption is not an HM it's a TM. Ask there the TM is or find a walkthrough of the game on the internet.
its in victory road hidden use the item finder