With the release of Pulsefire Ezreal, a lot of players have been picking up Ezreal and trying to learn him in time to prepare for the day they can play with the skin. I've come across a lot of these new-Ez players and their builds ranged from full AP to full AD to hybrid and everything in between. I was intrigued by two popular options however. It is widely known that Ezreal (along with Corki/Urgot) is one of the best users of Trinity Force among AD carries. It comes as no surprise then that a lot of these new Ez players rush a Trinity Force and forgo the traditional Infinity Edge rush. My curiosity was piqued and I had to get the math done behind this to see how much damage you stand to lose by rushing Trinity Force. So I present to you - Ezreal: Trinity Force vs. Infinity Edge.
Ezreal has 4 abilities which scale off AP and 2 off AD. It stands to reason that the AP from Trinity Force would help him quite a bit in terms of damage output. Let's take a quick look at his ability set for reference.
Now having gone through his abilities. The next logical step is to take a look at the item builds in question.
So cue the item descriptions:
The official LoL website fails to show all of Trinity's information in one box. They are missing the mana/health components in the above picture but more importantly Trinity Force also gives the following passives:
Unique: Your basic attacks have a 25% chance to slow your target's movement speed by 35% for 2.5 seconds.
Unique: After using an ability, your next basic attack deals bonus physical damage equal to 150% of your base Attack Damage. 2 second cooldown. Does not stack with Sheen or Lich Bane.
That's a fairly straight forward description. An important note is the critical damage increase which will play a significant part in our calculations to come.
Now in producing the contour plot (rainbow graph), on the damage output increase that Infinity Edge gives over Trinity Force - a set ability combo is required. Having the advantage of foresight and being the author, I can tell you that Infinity Edge far outweighs Trinity Force in terms of damage output. So in the interest of showing data values where Trinity Force can hope to match up to Infinity Edge - these are the assumptions:
- Ezreal has no runes and masteries equipped.
- The only item he has built is a Trinity Force or a Infinity Edge.
- His spell rotation consists of QWER, i.e. he uses every spell once.
- He lands 5 basic attacks in one trade.
- The bonus damage axis is any damage that is not IE/TF.
Important Note: Since the bonus damage axis does not take into account any damage apart from the IE/TF, you would have to take into account Ezreal's base AD, runes and other items to read accurately. So at level 18, you would have to look at >101 bonus damage (assuming no extra items) and at level 1 >50 bonus damage due to your base AD as well as extra bonus damage due to runes/masteries. The graph has been designed this way so results can be read off for various points in the game. Bonus damage values from 0-50 are effectively impossible to hit values and should be ignored. They are in the graph simply to provide an axis starting from zero.
Even after trying to give the edge to Trinity Force by limiting the study to a small number of basic attacks, including a full QWER rotation and numerous sheen procs. It is painfully obvious that the Infinity Edge is significantly better damage wise than a Trinity Force. It is important to note that an Infinity Edge also scales any other AD you might have due to the critical damage increase. Having said this, I would strongly recommend not rushing a Trinity Force first for damage purposes unless you absolutely require a bigger mana pool or the utility from the slows and MS increase. However that is my opinion and you are free to disregard it if you wish.
I hope you guys enjoyed a return to some serious mathcrafting after a period of absence of rainbow graphs. Please do leave a comment below on anything that might have passed through your mind while reading this :) Cheers :D
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