So anyone here ever tried to learn Kratos, like get good with him? I did, and as you can see in my sig (at the time of this post) Kratos is my first secondary fighter (best fighter that is not a main).

I'll give a short summary of how Kratos' gameplay feels like:
He is generally a slow fighter, walks slow, most of his moves and specials are slow, but when he gets in on you, he packs a big punch.

His specials:
-Bow of Apollo.
Pulls out Apollo's Bow and fires two arrows, if both hit, they cause 12% damage, same as an uppercut.
-Apollo's Inferno (EX Bow)
Kratos rapidly fires 3 arrows, first downwards, then forwards, then upwards, they cause higher damage than the normal arrows.

-Head of Helios
Kratos summons Helios' head, which emits a small shockwave of light, blinding the opponent for a free hit. Kratos savagely ripped Helios' head from his body.
-Helios Flare (EX Helios)
Kratos charges Helios' head which emits a shockwave with a bigger radius, does more damage and blinds the opponent for a longer time. The Helios Flare isn't all that useful, it has a long startup time and no armor.

-Zeus' Rage
Kratos stabs the opponent in their abdomen, bringing them to their knees, you must press the button that appears onscreen to have Kratos deliver a punch to the opponent's face.
-Revenge of Olympus (EX Zeus' Rage)
After Kratos punches the opponent, you must press a second button that appears onscreen, Kratos will then stab the opponent's back with the Blade of Olympus. The EX version has a longer reach than the normal version, but it isn't all that useful as it doesn't do that much damage.

-Golden Fleece
This is probably Kratos greatest weapon in MK, his parry! The Golden Fleece can parry projectiles and send an unblockable projectile back at his opponent, it can also parry melee attacks, Kratos delivers a headbutt which knocks the opponent back. The counter-attack can be dash-canceled so you can counter with any combo you wish while the opponent is still stunned from the parry. One mistake from your opponent can mean over 30% of his health gone. But be careful, as it cannot parry low attacks, and your opponent will probably try to bait it out.
-Argos Ram (EX Parry)
The EX version of the projectile parry sends back a larger projectile, which sends your opponent flying upwards at a higher level than the normal projectile parry. The EX version of the melee has Kratos drive his blades into the ground, sending his opponent flying upwards for a juggle combo. It is pretty much useless, as Kratos cannot dash-cancel his counter and he can only follow up with a juggle combo.

-Hermes Dash
Kratos uses Hermes' Boots to quickly sprint towards the opponent, running under them and knocking them behind Kratos. The Hermes Dash isn't as useful as my description suggests, as the Hermes Dash has a startup time long enough for the opponent to see it coming.
-Hermes Rush
Same as the normal version, only with a hit of armor.

The Hermes Dash can be dash-canceled. Try Kratos' F+2, it causes some stun, but try it and Hermes Dash-cancel out of the recovery, it allows you to follow up with any combo you want while the opponent is still stunned, this allows Helios Head to still be usuable, letting you extend your combo further. It can also allow a great footsie game, D+4 xx Hermes Dash-cancel, D+4 xx Hermes Dash-cancel, D+4. I've never really tried using it in any online match, as it is hard for me to do, my fingers aren't THAT fast.

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My highest damaging midscreen combo:
(~ = Becomes a juggle. >> = Dash forward.)

JIP, 3, Head of Helios >> F+4, 2 ~ 1, Apollo's Inferno >> 1, Zeus' Rage. Midscreen combo, one bar of meter, causes 49% damage. With normal Bow of Apollo, causes 43%.

So anyone here ever tried learning Kratos? His Golden Fleece seems to be Cyber Sub-Zero's EX Icy Parry with no meter cost and parries projectiles. In other words, it's like a revamped Johnny Cage X-Ray counter, trading the level of parry-able attacks for the ability to parry projectiles, with the huge advantage of no meter cost.