Alright, IKE. A fun match for sure, the better player will win here.
I love the character so much. Ike was my main in Brawl/PM/Smash 4 until I discovered D3, and I still play Ike as a strong secondary. Both characters have a lot going for them - both have great kill power, big disjointed hitboxes, and WILL wreck you with a read or two - but D3 edges out ahead solidly in this matchup.
It really comes down to this: D3 has a lot weaknesses in this game, but Ike can't capitalize on any of them particularly well. Then in turn, Ike can't do much about D3's strengths. Yep, Ike's buffs were awesome and let him threaten with a much safer offense - but he's still
slow. And by that I mean: not fast enough to punish a lot of D3's otherwise unsafe options. And because of that, D3 can get away with a lot more.
First and most important,
Speed - this is the main reason why D3 is lower tier right now, but neither Ike's movement nor his frame data is built to punish this. Ike only has a slightly faster Run speed than D3, but D3 has a way better fastfall speed, and multiple jumps to boot. Meaning:
1. Ike isn't quick enough to punish a lot of D3's attacks - like Ftilt or Bair - that faster characters can. This allows D3 to not commit as hard to his options.
2. Ike is great at reading/punishing landings, but D3 is great at getting back to ground safely. This is very important, as where Ike can pressure many characters into uncomfortable spacings/situations, D3 can almost always get to stage safely and reset to neutral.
Spacing is really the key in this matchup. D3's
Ftilt is huge here; Ike has no solid answer to it. It outranges all of Ike's options on the ground and is entirely safe on shield when spaced well (again, Ike's slowness bites him here). Know that Ikes love to SHFF Nair/Fair, and both are safe when spaced right. So in turn, try walking forward + shield. Really, all D3s should walk more, it's a fantastic option. And unless Ike really misspaces it, don't try to grab him out of Nair; they can shield pressure you with it outside grab range.
There's really no reason for D3 to be jumping much in this matchup. Ike's Fair is one of his best moves - it can kill, setup for combos, and outrange everything not called Shulk - so don't set yourself up to get by it. D3's fair loses hardcore here, but at certain angles your Bair will beat Ike's Fair (slightly above or below). Don't be right in front of Ike in the air.
Gordos - with these, D3 forces Ike to approach him. For once, right? This is a great match to throw smart Gordos out - Ike has to commit to every button he presses, and while he has big disjointed hitboxes it's easy to punish the reflect attempts. Of course don't be stupid about it, but with smart Gordo/retreating Bair/Ftilt, Ike must come to you. Which is, for once, huge.
Edgeguarding: Ike has 2 options - recover high with Quick Draw, recover low with Aether. Quick Draw is predictable (you hear him charging it way in advance), isn't too hard to beat (Uair works great if you float just under him), and makes for some fun Gordo tricks (jump up with Ike as he starts charging, drop a falling UGordo to track right with him, punish if he bites). And unless Ike spaces it perfectly waaay below the ledge, Aether is actually very punishable - just few know how to do it. The sword is invincible, but as Ike jumps up to catch it he is vulnerable. Try floating up AWAY from the stage, and the second Ike throws his sword up, Bair. It'll hit him as he jumps up and stagespike (assuming no tech). Or just use the usual UGordo trap stuff onstage. You have so many options here. Also, do NOT try to Super Dedede Jump over Ike when he's charging Eruption. The thing hits stupid high above Ike, and will murder a stupid D3 trying to mix things up.
D3 can kill just as well, combo almost as well, outrange in specific places, and pressure better in neutral. Ftilt lots. Pressure with smart Gordo mixups (Standing DGordo, jump FGordo, etc), make him scared to reflect them. Be wary, don't get predictable or Ike will wreck you. Shield a lot. Space and don't get grabbed. ...yep.
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