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Origin of Master Yi Alpha Bug

Cowsep·7/17/2016, 6:15:47 PM·330 votes·64,715 views

Getting pretty tired of the bug and it seems Riot has no idea what caused it so I'll just mention when it came into existence.

When Alpha striking Master Yi still gets hit by projectiles & AoE a lot of the time, refer here:

https://www.youtube.com/watch?v=LimM9a2ajE4

Obviously not every single one was a bug but there are a lot of ridiculous alphas and people are noticing and complaining.

Here is Master Yi without an alpha bug:

https://www.youtube.com/watch?v=pf9yJM4bbQw

He has a completely different feel to him, and was predictable. You could only dodge projectiles at the END of the projectile cast as it was about to hit you. Now you can "dodge it" anytime. Sometimes. I guess? Its not predictable anymore, like it used to be.

The bug started happening when you guys implemented those dumb patience bars onto the camps and Master Yi's alpha strike made the patience bars reset. You guys "fixed" the patience bars from resetting but in exchange Master Yi gets wrecked in alpha. I'm assuming he no longer "disappears" or something which explains why he can randomly get hit, so the mobs don't think he disappeared.

Hopefully using the origin of the bug someone can finally fix it. It'd be worth having the monsters deplete their patience bars... If you guys, you know, want to revert it.

Pls its been too long.

176 Comments

RiotRiot Exgeniar7/18/2016, 12:00:43 AM106 votes

tldr; Fix in progress... 90% fixed, still need more time to work on it.

From my investigations, it has nothing to do with patience timers. It might have been there since he was released, but probably no one was good enough to have noticed it back then. The bug, as far as i understand, is that there is a 2 server frame delay on when the un-targetability state is applied, like 10~50 milliseconds.

This bug is extremely time consuming to fix.... To fix this, we'll need to rewrite the entire ability and architect the spell logic correctly. This means that we'll need to retest everything with this ability. This is essentially 25% of the QA work needed to release a new champion, and more since we need to ensure it looks, sounds, and feels just the same on all skins (and Master Yi have a lot of skins). On top of that, we need to verify a bug that exists for about 10~50 milliseconds, which is really bloody time consuming.

The fix I attempted went out to PBE in 6.13, and had 1 failure. I'm currently in the tail of a project, and do have no time to readdress the issues until it ships. There's a lot of moving parts in Alpha Strike, and I can't garen-tee the fix will be identical in feels to an experienced Master YI player, your feedback will be appreciated when that rolls around.

Cheers,

Exgeniar

Shaponja7/17/2016, 7:58:01 PM31 votes

MasterYi WAIT THIS IS ACTUALY POSTED BY COWSEP? HOIIIIIIIII

EvilMerodach7/17/2016, 9:15:21 PM21 votes

Just wait for the Beta Strike to be released.

Best Zed World7/17/2016, 6:20:48 PM20 votes

Notice me cowpai

Cowsep7/17/2016, 8:16:43 PM16 votes

Example of the bug that was fixed:

https://www.youtube.com/watch?v=E-zN6hyiOLc

BoilTheOil7/17/2016, 7:29:02 PM8 votes

i made a post about this for some reason it got downvoted by salty bronze players

Dakimakura7/17/2016, 9:48:42 PM7 votes

PRETTY SURE THIS POST IS IN ALPHA

OneShotKatarina7/17/2016, 7:53:24 PM6 votes

[deleted]

BatchBustsMeta7/17/2016, 7:10:51 PM6 votes

Ayeeeee it's cowsep!!! When this man wants a master yi change, give it to him! Srsly this guy knows yi prolly better than 99% of players out there, or even Riot employees!

2nd Chance7/17/2016, 10:44:30 PM5 votes

https://i.imgur.com/VN1ucXY.png/img

TheRealChewbacca7/17/2016, 6:35:42 PM5 votes

I haven't noticed the alpha bug much, but it does exist. Hopefully they touch on it during the assassin update like they did with Darius's pull during the juggernaut one. (worst bug ever.)

RUNAAANS HYDRAA7/18/2016, 4:48:39 AM3 votes

Alpha Strike is like the pull-out method. Always a bit of a gamble, but still fun to attempt at NAILING the timing.
At worst, you're pregnant/shutdown, at best, you got your rocks off baby-free/scored a 1v5 pentakill. Its unpredictability is the issue. Riot plz put a condom on us in the form of a hotfix. [slayer-jinx-wink]

EDIT: PS "I WAS IN ALPHAAAA!!!" is a pretty daaaaaank meeeeeme

rollya7/17/2016, 8:53:02 PM3 votes

I WAS IN ALFAAA :@

Ox507/20/2016, 9:15:17 PM2 votes

Will alpha strike not following flashes or dashes and people into brush be fixed as well?

10Tickler7/18/2016, 2:47:27 AM2 votes

Better plan.

Delete the champion entirely.

Alphadios7/18/2016, 5:43:53 AM2 votes

what about the meditate after alpha fail bug?