User blog comment:B214/Chapter 433 & 434 in a nutshell/@comment-5303512-20150511130513/@comment-1359322-20150511132641

It's different, like i said, Natsu used 1 year to train to attain his current strength in Jackal's situation, he didn't. Comparing those 2 situations is like comparing Lucy in the beginning and the current Lucy.