Talk:Houyi's Bow/@comment-26356708-20150930075402/@comment-93.217.40.30-20151001113317

Vol3 ch5: "However, that arrow did not deal physical damage; instead, it was a mass of elemental damage. In other words, it was regarded as magic and unblockable."

AND

"Wrapped in lightning, Takemikazuchi Mk8 cleaved through the air— ..." (Thats the Sword)

There is your lightning dmg, its a part of the sword he used before.