>>95892230
>>after the help action resolves and advantage is given "the ogre angrily tears off the curtain from his face and resumes his rampage"
>it's that easy
So, if the ogre is next in the initiative count, the answer is "No, you cannot blind him with the curtain"?

>>95892498
>because the available existing actions set the "balance" of what a character can do with an action
You mean like applying the Blinded condition? Because that's something you can do with an action.