Randuin's Omen

Strategy

 * is a strong counter to, as it provides armor, health, an attack speed slow and a movement speed ; and the two actives mostly mitigate each other.
 * It is also useful against champions that are highly reliant on auto-attacking as means of damage output (,, , , , and ).
 * ,, and Randuin's Omen are the only items that can reduce attack speed. The attack speed slow on and Randuin's Omen do not stack with each other, however they do stack multiplicatively with   for a combined  attack speed slow.
 * Randuin's Omen is commonly purchased by tanky melee DPS champions, especially the manaless champions like, , , and that don't benefit from  because of the mana it gives.
 * Using the active on Randuin's Omen while your champion is channeling an ability will end the channel prematurely.
 * Randuin's Omen's  +10% damage reduction also affects magic damage "", the abilities that enhance their damage when they meet the criteria for increasing damage, making this item an effective item against champions with abilities of enhanced damage.

Trivia

 * bares the crest of the Demacian Dynasty.