Board Thread:Questions and Answers/@comment-99.98.162.235-20140210235754/@comment-6518600-20140211001413

There is no such words as "The attack cannot be nullified." or anything similar on Drill Bunker!!'s ability, which means, you can nullify the attack.

I've watched a video of someone using a Drill Bunker!!, and attack with that effect. However, that attack was nullified by Green Dragon Shield and no one put a comment complaining about it.

Conclusion: Yes, you can nullify the attack.