Flawless Block is a completely new mechanic in Mortal Kombat 11. Flawless Block functions as a pairing used in other games of this type - your character recover balance faster and can perform a counterattack.
What do you get by using Flawless Block?
Flawless Block greatly reduces the amount of damage received by your character - you will take the damage on the guard. Moreover, a successful Flawless Block allows you to attack immediately by using the right combo, e.g. up + 2.
How do I perform a Flawless Block in Mortal Kombat 11?
To make a Flawless Block in Mortal Kombat 11 you need to press the block button right at the moment when you are about to get hit by the enemy's attack. Flawless Block requires a lot of practice, but gives a huge advantage over the enemy.