Randuin's Omen

 is a legendary item in League of Legends.

Recipe

 * (1350g)
 * (825g)
 * (300g)
 * 600g

Strategy

 * Particularly effective against melee autoattackers who can reset their attack timer, such as and . By doing this, these fighters can get several physical attacks off in quick succession which increases the likelihood of proccing the Randuin's Omen passive against them.
 * When procced, the Randuin's Omen passive is more effective at slowing attack speed (-35%) than that of 's (-20%).
 * With the added bonus of a significant slowing effect, Randuin's Omen can win teamfights against a team of heavy melee autoattackers, common in today's meta.
 * It is worth mentioning that, , and are the only items that can reduce attack speed.

Trivia

 * ,, and  are a quartet of "sister items" that share the similar features such as cooldown reduction, an active ability and a gold-generating item in their recipe.
 * is named after the Riot employee Randuin.