Extended sustain duels and teamfight healing.
Durability and crowd control
Every 4s your next attack on a champion deals bonus damage, heals you, and permanently increases your health.
Increase your Tenacity and Slow Resistance for each summoner spell on cooldown. Immediately after casting a Summoner Spell, gain a larger burst of Tenacity and Slow Resistance for a moderate duration.
Gain 5 Armor. Whenever you heal for at least 20 health or from a consumable's effect, increase your Armor by 5% for 3 seconds.
Restore health over time based on your missing health.
+65 health and +9% attack speed
Takedowns restore health and grant bonus gold.
Takedowns on enemies grant permanent Attack Speed.
Grasp on Darius allows you to efficiently out-trade your opponent in long duels, especially against tanks, with the combined healing from Grasp and [Q].
Unflinching empowers your ability to stick to your your opponent to build Passive stacks, deal damage, and proc Grasp.
Iron Skin's bonus armor is great for taking early-game trades where Auto Attacks and minion damage are a huge amount on incoming damage.
Second Wind is the go to rune for mid-fight damage sustain and will offer you a lot of healing during trades.
Triumph is fantastic for empowering Darius' reset nature playstyle. The massive heal can keep you alive in teamfights so that your able to get [R] resets.
The bonus Attack Speed from Alacrity allows you to build your passive stacks quickly so that you're able to execute your target as soon as possible with [R].