User blog comment:Omega natsu2/Chapter 369: The Place Prayers Reach, Predictions./@comment-24467372-20140126160504/@comment-4489126-20140126165021

Yup, I was rereading the chapter last night and that smirk just kept me pondering. :D And that way of killing doesn't seem like Hiro's style, but he did something similar to when Erza went up against Midnight. Actually, both Erza and Jellal if I recall correctly.