Guinsoo's Rageblade

Guinsoo's Rageblade is an advanced item in League of Legends.

Recipe

 * (875g)
 * (860g)
 * 965g

Strategy

 * For the combine cost of 965 gold, at maximum stacks, gives an additional 32 ability power, and 32% attack speed, a value of approximately 1900 gold.
 * Consider whether or  is a better item for your champion. Both items offer fairly similar stats, attack speed and ability power, and the decision may come down to whether you prefer mana regeneration and cooldown reduction or attack damage and the unique passive's survivability.

Trivia

 * The effect that triggers when your health is reduced below 50% has shares an icon with the removed summoner spell, . Additionally, it triggers the same sound effect, the same red glow beneath the champion and slightly increases the champion's model size.
 * The effect lasts approximately 8 seconds after last dealing or taking damage.
 * This item was one of the last launched before the launch of the game itself.
 * It is named after Steve 'Guinsoo' Feak, one of the main creative minds behind the game and creator of DotA Allstars.
 * has a similar icon to the item Guinsoo's Scythe of Vyse also named after him.
 * The is one of only three items featuring ability power and attack damage in one item (the others being the  and ).
 * According to stat value calculation, is the most cost efficient item when it has 8 stacks and has the under 50% health passive triggered, yielding a total of 30 attack damage, 72 ability power, 52% attack speed 10% spell vamp and life steal for only 2600 gold. Some champions, like  have no problem indefinitely keeping all 8 stacks by continuously using  and  (which cost no mana).
 * Multiple will give multiple stacks for every autoattack or ability cast but will not increase the cap of 8 stacks.
 * There once existed a bug that enabled to attain negative ability power and maximum attack speed with this item alone.