Riot Games announced not long ago some of the changes that come from legends during the next pre-season period. Part of those changes included the arrival of a new rune known as first blow , a rune that is inside the tree of inspiration and that seemed to be an evolution of the extinct key of cleptomance. In a more detailed publication on the functions of First Strike and its planned strengths and weaknesses, Riot said that this new Keystone Rune will replace Prototype: Omnistone. First Strike, for those who missed the initial revelation, grants additional damage to the champions when they are the ones who start combat or retaliate in a short period of time. Your reuse time begins in 25 seconds and is reduced to 15, and its full description (from the moment you came to the PBE) you can see below to better explain what you do. Damage an enemy champion with an attack or skill before they do it, or within 0.25 seconds of the start of combat, grant 5 gold and first blow for 3 seconds, ...