User blog comment:IamJakuhoRaikoben/Sorcerer Magazine, Issue 41: May 2015/@comment-1153699-20150601171105/@comment-1153699-20150601195356

http://mangasee.co/manga/?series=FairyTail&chapter=382&index=1 In this chapter you can see how Kyouka fears Mard. You can see how effortlessly Mard manages to immobilize Kyoka. He blew both Neo Minerva and SO Erza (Benizakura) away with just using his MP. He fought the CSK with one arm and while smirking, took a fully charged LFD Firing Hammer to the face without taking damage whatsoever (in Base form), while EF (Etherious Form) Kyoka was having trouble with Erza's magicless punches. Mard toyed with PoF Natsu, PoF Sting and PoF Rogue while sitting down. Compared to him, Kyouka is not that strong.

When has Hades ever stated that Meredy is stronger than Erza and Juvia together? And even if he did say that. What did he know about Erza's and Juvia's powers? Mard was in the same guild as Kyoka. He knew how strong she is. Hades wasn't at the same guild as Erza and Juvia (well he was, but at a different time..). Hades had no (real) way of knowing Erza's and Juvia's fighting prowess.

Like I said, going by feats (and hype), Laxus and Mard trump Erza, Kyoka and Minerva (individually) by pretty bad. You're familiar with their feats right? You of all people should know this...

Erza fought Kyoka for a while (during their first fight). She knew her abilities. Even after Kyoka stole Erza's senses, Erza could still feel attacks on certain parts of her body. http://mangasee.co/manga/?series=FairyTail&chapter=404&index=1 Intel on Kyouka and Kyoka's attacks helped Erza deduce Kyouka's location. Not entirely impossible by fiction standards..

Erza is not invincible. She collapsed after tagging Kyoka with her sword. Laxus took plenty of attacks from Jura. Just one punch from the guy can knock out people like Orga and Ichiya (who one-shotted a drunk Bacchus and Rocker like it was nothing)

She had trouble reacting to Pre-SO Erza who was heavily injured and with a broken leg. Like hell she's reacting to Laxus. Offense wise, she's nothing special really (compared to Laxus). Pre-SO Erza and a non serious Kagura came out relatively unharmed from Yagdo Rigora.

Seriously, what will she do against him? Teleport behind him and attack him with a spell even a non serious Kagura can tank? Laxus would just blitz her after that and bombard her with his CQC skills. Minerva has no chance here...