There are 2 types of critical runes as we know...One is Critical chance & the other is Critical Damage...But i m a bit confused as how and which of this 2 relate to a in-game champion...Because In game stats show CRITICAL STRIKE CHANCE..Which increases by building items like
and 
etc...How am i going to build a rune page on Critical damage/chance...if i dnt even knw wht to add??
Any help would be appreciated :D
New as player incoming,,, Lola j crit damage increases how much damage it does
Crit chance runes simply give you as much extra crit chance as it says on the runes. Running 14% crit runes? Then you'll have an extra 14% crit in game. Crit damage runes modify the amount of extra damage a crit does just like IE does. IE makes your crits do 50% extra damage, and if you were to run 20% in crit damage runes on top of that, your crits would do 270% damage.
Critical chance increases the likelihood of landing a critical hit when you AA. Critical damage increases the damage of your critical hits.
Generally, only old-school Yasuo gets crit runes. (9x crit chance red and either a few crit chance yellows OR 1 crit chance quint)
10% critical chance from the rune page allows Yasuo to build a Lifesteal item such as 
instead of 
.
The older Yasuo build gives more damage late game, but scales slower than the new tri-force one.
Don`t buy crit runes unless you plan on playing Yasuo. Almost no other champion except pre-reworked GP benefits much from crit.
how can a 1% crit help in anyways then...i have seen some pro player builds and i saw a lot of players use only 1 or 2 crit runes...whts the effect about it? 1/100??
