User blog comment:Mode Sau/Strongest Dragon Slayer/@comment-87.165.103.22-20150929205754/@comment-27014167-20150930061030

Jellal was able to beat Cobra single in Jellal vs Oracion Seis, and Jellal was able to predict Cobra's movements. So there is no way Cobra is OP and Natsu was the one who defeated Jellal. In my case, Natsu is way OP than Cobra.