You are Darius,so you're going Top Lane,as the game goes on make sure your Decimate hits the Enemy
Champion with the blade,or the outside ring,do the same thing for minions.If you are facing 2
top then stay close to gain Xp and hug the tower. Whenever you want to poke at an enemy champion
use E-W-Q to harass. Pull them to you then use your W to slow their movement and attack speed by
40 percent. After,use Decimate (Q) but make sure you hit your opponent with the outside ring of
Decimate. (The Blade)
You can auto attack until they reach their tower. If you are pushed to your tower and the opponent is
close by and wants to kill you,then tower pull him in the use your W then Q and run. The tower
will then kill him and you will receive a kill. Note you have to do this at the right moment!

Watch your other lanes to make sure they are doing alright! In mid game sometimes 1 or 2 people on your team will be mid. Go to mid and make sure the enemy top champion is MIA. Help push mid or help with the team battle. For bot,go gank the lane if they aren't doing very well. Wait until your allies in bot engage then come out and use apprehend. Not much else to say here....

Darius's ult is quite a strong Ultimate Ability,but lots of people mistake using his ult to early.
Make sure the target has 5 stacks and below half health. Pay attention that your ulti has True damage and a maximum damage! Make sure your target has less health than the maximum damage. Each bar on the
opponent equals 100 hp so you wont have to scroll over and see their current Health. Most of the time
you will have a jungler,Ad Carry,Tank,Support,and an AD or AP. Darius is NOT a true tank,so dont go charge into the battle first. In team fights let someone poke at the enemy team,then let someone Initiate and go into the battle.

The build for Darius is somewhat simple,start with boots and pots and go top. After 1 or 2 Recalls
purchase Zeal and Phage,or build up to Phage if you don't have enough. Once you've bought those items
wait until you have enough for Trin Force and purchase it. Next purchase Boots of mobility for extra movement speed,and get bloodthirster for lifesteal and damage. Get randuin's Omen for a slow and health. Get Shurelya's Reverie for an Unigue Active speed boost and health. Lastly,get infinity edge of Phantom Dancer for extra Crit.