Board Thread:Theories and Speculation/@comment-5407586-20150624095943/@comment-3279282-20150703123735

Okay, I understand your reasoning. However, Deidara still moved his C4 clone before he used the Earth sign and only used it when he wanted the clone to explode (yes, that was an explosion, just not one to damage the enemy).

Judging from that, Sasuke deduced that Deidara was using Earth chakra somewhere in his bombs. But as I said, he didn't use Earth Release to create the clay, because he had the clay before he used the Earth sign.

Furthermore, Omoi used lightning as well when Deidara was caught in the fourth war. In that instance, Deidara wanted to blow himself up. There was no clay involved yet and still Omoi used the lightning.

If Sasuke used the lightning purely against the clay, then why did Omoi use lightning as well? Remind you, it was not for the paralysing effects, Deidara could still move and Sasori wasn't paralysed as well.