The search for "opens" delivered 3 verses in 3 songs on 3 records.
The dragon searched for the following: "opens" as keywords
Here are the matching verses:
Dio: Holy Diver
5. Don't Talk To Strangers
Don't hide in doorways
You may find the key that opens up your soul
Don't go to heaven
'Cause it's really only hell
Dio: Sacred Heart
2. Sacred Heart
Whenever you dream
You're holding the key
It opens the door
To let you be free
Dio: The Last In Line
6. Evil Eyes
Oh do you ever think about
The way I caught the rainbow
I'll be there where fire makes you dance
I'm gonna give you the look
That opens up the skies