JF Sky Rocket guide — Hwoarang f,n,df:4

The JF Sky Rocket is Hwoarang's Sky Rocket entered on a just frame. Pick Hwoarang in Mishima Dojo's character selector to practice it.

Last updated: 2026-10-11

What it is

Sky Rocket is Hwoarang's mid launcher kick. f,n,d,df+4 — 4 during the crouch dash — gives the normal Sky Rocket. Rolling f,n,df without the d and pressing d/f and 4 (RK) on the same frame gives the just-frame version: Lethal Sky Rocket (JFSR; Korean players call it 초스카이, Japanese players 青ライ). Tekken 8 lists it in the move list.

Community frame data (Wavu Wiki and others) gives both the same startup; the JF version is much safer on block and gives more on hit, which is why it is treated as a skill check like the EWGF. Numbers can change with patches, so check a current source.

Inputs and how they are judged

Input	Mishima Dojo verdict	What the game does
`f,n,df` + 4 on one frame	JF Sky Rocket	JF Sky Rocket
the same with forward and neutral 1f each	Fastest JF Sky Rocket	JF Sky Rocket
`f,n,d,df` + 4	Normal Sky Rocket (went through d)	Sky Rocket
`f,n,df` then a late 4	4 late	d/f+4 (mid Claymore)
4 before the d/f	4 early	no JF Sky Rocket
`f,df` + 4, or d/f+4 alone	d/f+4 (no f,n)	d/f+4
`f,n,d` + 4	d+4	d+4

The judge is the same shared 60Hz grid as the EWGF: d/f and 4 inside one frame cell is a success. It has the same shape as the mist-step EWGF (f,n,df+2) with a different button.

The game's maximum leniency (how long f and n may be held) is unconfirmed, so the mist-step limits apply. The right-stance (flamingo) JF Sky Rocket, which is more lenient, is not covered. The game refuses the JF in the middle of a wavedash (f,n,d,df,f,n,df+4); the practice tool accepts it anyway. A success means the input condition was met; it does not reproduce a real hit or frame advantage.

Common mistakes

Going through d: dropping to down before d/f makes a crouch dash and a normal Sky Rocket. Roll straight from neutral to d/f.
A late 4: waiting to see the d/f is too late. Press d/f and 4 together like one button.
Losing the neutral: sliding from f straight to d/f has no neutral and gives d/f+4. Let the stick go for a moment.

How to practice

On the practice screen, press the Character button left of the mode tabs and pick Hwoarang.
On the JF Sky Rocket tab every input shows the forward and neutral frames and the d/f ↔ 4 gap. A single ↘+4 row in the input log means one frame.
When the rate climbs, run the 10-try challenge. With a nickname the result goes to the "JF Sky Rocket ×10" leaderboard.
Hwoarang can also play Wavedash 10s and Backdash 10s; those records share Kazuya's leaderboards with a character tag.

Practice it now in Mishima Dojo