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How is "BIC'ing" not considered an exploit?

Stiler··5 votes·1,370 views

So , I played a game vs an EZ who seemed to NEVER be "interrupted" by my CC. I'd ult him (as naut) when I seen him go to use his ult and it connect BEFORE he ulted, but it didn't stop him from ulting.

I noticed this and called him out on it and he pointed me to this and said that I needed to learn to "Bic."

BIC stands for Buffered input canceling.

Here is a video showing a Caitlyn using it against a taric. https://www.youtube.com/watch?v=ips8_DKQlMw

Just like this EZ I was against this seems to over-ride CC and allow you to still do things that you should NOT be able to do until after the CC, bu tinstea dit seems to allow you to use a channel even when you see a stun incoming.

It seems to mainly work against stuns or cc that you can see incoming (IE Taric, naut, Lux, Morg, etc).

This has been around for years (from what I can find on google) and has been talked about on the old forums, bu tit seems riot ignores it and doesn't consider this an exploit???

8 Comments

Pinker 104 votes

Do you not understand how ez works?

Here Direct from the wiki, since you apparently can't do your own research Arcane Shift's cast time cannot be interrupted by anything other than Ezreal's own death. He will still suffer any crowd control effects, duration permitting, after it ends. Trueshot Barrage's cast time cannot be interrupted by anything other than Ezreal's own death. He will still suffer any crowd control effects, duration permitting, after it ends.

They are not channels.

They cannot be interrupted except by death.

If he is moved by cc they will fire from cast location.

While it is true that any movement spell can be timed to work through any cc, ping is ping. Move in next to the servers and you won't have this problem.

You really need to learn the difference between cast time (uninterruptable) and channels (interruptable)

Raptamei4 votes

It's a feature in the game. Using it is skill.

wolfax3 votes

It seems like they start the cast before the CC hits, so it looks like the animation is continuing through the stun since it's already started.

BakedLotion3 votes

Yeah, those abilities are channeled and have a delay so i think they pressed the button before they get cced

Pinker 102 votes

{quoted}

channel

Not once in this thread have you mentioned a channel being used through cc.

You really need to do some research on how different abilities in this game are programmed.

There is a MASSIVE difference between CAST TIMES and CHANNELS.

disregardable1 votes

Lux and Morg don't have stuns, they have roots. Champions are supposed to autoattack and cast abilities while rooted.

Why isn't it considered an exploit? I don't know. Most people aren't able to do it most of the time?

Rawrful1 votes

Because you can't get rid of it. It involves ping. It works something like this, though I am not a network engineer:

You both have 100ms before your command gets to and is processed by the server. You ult Ezreal as Naut. On your screen you see Ezreal get hit by your ult, then blink away. Well, you are running at least 100ms behind on Ezreal's skill usage, because his computer needs to send them to the server, the server needs to get them, then send them to you. But your computer just shows you, to the best of its knowledge, what is going on.

So on YOUR screen, you ult Ezreal, see it go to him, see him get hit and then blink away while knocked up. Ezreal sees you throw ult, then blinks away right before it hits him so it should still have to travel all the way to his new location. But the server is in between you two, so it has to figure out what happened: Did Ezreal get hit before he blinked, as on Nautilus' screen? Did Ezreal blink away and Naut's ult should still be traveling? Someone is getting screwed with either of those.

So it splits down the middle. It lets Ezreal's movement go through, but it also lets Naut's CC happen. This is why you see people flashing while stunned literally every game of LoL you play. On THEIR screen, they flashed before the stun hit them. But the communication time makes it so the game isn't sure if they flashed at the last moment, or if they got hit, until 100ms after it has sent the state of the game to you. So you see them get stunned, then flash.

It is unavoidable.

Rawrful1 votes

Oh, I forgot to mention, it is also why you see it way less often in LCS, because lan ping is way lower and allows for way less of this stuff.

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