Outside of Eldritch Form and while Eldritch Form is unavailable, activating while in Haato/Haachama form gives only the damage/knockback effect which is visually indicated by a large black/red heart centered around the player.
Skills
Coexistence
Level 1
Gain 1 Coexistence per sec. At 60 stacks, Change of Heart becomes Eldrich Form where both Haato and Haachama effects are active for 10 seconds.
Level 2
Gain 1 Coexistence per sec. At 55 stacks, Change of Heart becomes Eldrich Form where both Haato and Haachama effects are active for 12 seconds.
Level MAX
Gain 1 Coexistence per sec. At 50 stacks, Change of Heart becomes Eldrich Form where both Haato and Haachama effects are active for 14 seconds.
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Level 1
Level 2
Level 3
Up to date with version 0.6.1692275570
The stacks of Coexistence don't go over the number displayed in the description.
When Coexistence has reached maximum stacks, a unique sound plays to indicate it.
When Change of Heart is activated while Coexistence has maximum stacks, the screen darkens and menacing eyes look down upon the stage for the duration of the Special.
Stacks are only consumed if Coexistence has the maximum number of stacks; activating Change of Heart when Coexistence has not reached its maximum will not consume stacks.
If the Skill level of Coexistence is increased while it already had maximum stacks in the previous level, the old maximum is reduced to the new one.
Purity And Insanity
Level 1
In Haato form, heal 3 HP every 2 seconds. In Haachama form, Red Heart can poison targets around, dealing 30% damage per second. Targets can gain up to 5 stacks of poison.
Level 2
In Haato form, heal 5 HP every 2 seconds. In Haachama form, Red Heart can poison targets around, dealing 40% damage per second. Targets can gain up to 5 stacks of poison.
Level MAX
In Haato form, heal 7 HP every 2 seconds. In Haachama form, Red Heart can poison targets around, dealing 50% damage per second. Targets can gain up to 5 stacks of poison.
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Level 1
Level 2
Level 3
Up to date with version 0.6.1692275570
When the Skill triggers in Haachama form, a large spider icon appears. Afterwards, poisoned enemies have a small spider icon above them with a number corresponding to the number of stacks.
Purity is affected by the heal increase of Full Meal.
Worldwide Strongest Idol
Level 1
In Haato form, reduce all damage taken by 20%. In Haachama form, increase ATK by 30%. Spider related weapons deal 15% more damage.
Level 2
In Haato form, reduce all damage taken by 25%. In Haachama form, increase ATK by 40%. Spider related weapons deal 15% more damage.
Level MAX
In Haato form, reduce all damage taken by 30%. In Haachama form, increase ATK by 50%. Spider related weapons deal 15% more damage.
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Level 1
Level 2
Level 3
Up to date with version 0.6.1692275570
"Spider related weapons" that benefit from this skill include:
Bonus for "Spider related weapon" is applied as a bonus to weapon's base damage, causing it not to affect flat damage bonuses from enhancing and Growth upgrade.
Her weapon Red Heart's name is based on Haato's primary motif which is a red heart. This due to Red Heart being the literal translation of "Akai Haato": "Akai" (赤井) is "Red" (赤い in adjective form), while "Haato" (はあと) is the Japanese transliteration for "Heart".
The weapon also shares it name with the Haato original song of the same name.[1]
Her special attack Change of Heart and Coexistence skill both reference a collection of short videos and streams Haato made in 2021 which portray Haato and Haachama as twin sisters who are forced to share the same body through some grisly experiences. Coexistence is a more direct reference to the Twitter Hashtag #COEXIST, which hints to the eventual conclusion of the two personas learning to live with each other.
Purity And Insanity skill is more of a reference of how these personas are also portrayals of different phases of Haato's career, with Haato being her original, more restrained and innocent portrayal, and Haachama being the persona used for more unhinged and risque content.
The name "Haachama" was originally coined by Haato as a less formal name for herself. It is a more childish way of saying Haato-sama, the nickname used by Haachama's old tsundere personality. The name was popularized by a "Keep Talking and Nobody Explode" stream between Haato, Kiryu Coco and Houshou Marine.[2]
Worldwide Strongest Idol skill is based on one of Haachama's self-proclaimed titles. "Worldwide" comes from the fact that she has traveled around the world (Japan, Australia, the Philippines) and is the first bilingual member of Hololive, whereas "Strongest Idol" is based on her struggles and achievements both as a VTuber and a person.