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Imbued heart detail

The imbued heart is a magic-boosting item dropped by superior slayer monsters, which are rare encounters unlocked after purchasing the unlock Bigger and Badder for 150 Slayer reward points from any Slayer master.

Imbued heart

A player uses the Invigorate option on the imbued heart, boosting their magic level.

Players can use the Invigorate option on the heart to temporarily increase their Magic level by 2 to 10 levels (1 + 10% of the player's level, rounded down). It can be activated an infinite number of times, but it can only be activated once every seven minutes per player, regardless of how many imbued hearts are owned.

Attempting to use the Invigorate option while it is on cooldown will result in the chatbox message The heart is still drained of its power. Judging by how it feels, it will be ready in around X minutes.

The boost will not work while your magic level is already boosted by any other effect. Players additionally cannot bring the imbued heart into the Duel Arena to gain an advantage in magical duels if the "no potions" option is enabled.

Dropping monsters

The drop rate of the imbued heart is determined by the Slayer requirement for the monster being slain. The exact formula is $ \frac{1}{8* (200-\frac{(Slayer Req+55)^2}{125})} $

Monster Combat level Quantity Rarity
Nuclear smoke devil 280 1 4; Rare (1/197.6)
Night beast 314 1 4; Rare (1/254.4)
Greater abyssal demon 342 1 4; Rare (1/345.6)
Nechryarch 300 1 4; Rare (1/433.6)
Marble gargoyle 349 1 4; Rare (1/518.4)
King kurask 295 1 4; Rare (1/600)
Choke devil 264 1 4; Rare (1/678.4)
Repugnant spectre 335 1 4; Rare (1/753.6)
Abhorrent spectre 253 1 4; Rare (1/753.6)
Cave abomination 206 1 4; Rare (1/782.4)
Vitreous warped Jelly 241 1 4; Rare (1/867.2)
Vitreous Jelly 206 1 4; Rare (1/867.2)
Insatiable mutated Bloodveld 278 1 4; Rare (1/894.4)
Insatiable Bloodveld 202 1 4; Rare (1/894.4)
Malevolent Mage 162 1 4; Rare (1/960)
Monstrous basilisk 135 1 5; Very rare (1/1,022.4)
Flaming pyrelord 97 1 5; Very rare (1/1,137.6)
Cockathrice 89 1 5; Very rare (1/1,190.4)
Giant rockslug 86 1 5; Very rare (1/1,240)
Screaming twisted banshee 144 1 5; Very rare (1/1,286.4)
Screaming banshee 70 1 5; Very rare (1/1,286.4)
Chasm Crawler 68 1 5; Very rare (1/1,329.6)
Crushing hand 45 1 5; Very rare (1/1,369.6)

Trivia

  • The imbued heart is the Old School RuneScape equivalent of the Vecna skull in RS3.
  • The animation that appears when using the imbued heart is a blood red version of the Saradomin sword's special attack.
  • Recoloured versions of the Imbued heart were used for the Demons' hearts that are used to imbue the god capes in the Mage Arena II miniquest.
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