Scenario:
Opponent:
*Face-up Infernity Archfiend
*3 set traps ( Bottomless Traphole , Infernity Break and Infernity Barrier )
*No Hand cards.
My field:
*1 set mask change
*1 Mystical space typhoon
I summoned E.HERO Neptune and my opponent responded with Bottomless traphole. I then chained my set Mask Change targetting my E.HERO Neptune (my opponent did not respond).
When resolving the chain, I summoned M.HERO Acid via Masked Change thus triggering it's effect.
Question: Can my opponent respond by activating Infernity Barrier on M.HERO Acid's effect?