Boost Hammer Blood Arts

Square/Triangle Attacks 1 [□・△ボタン攻撃1]
╔Demon Swing [デモンスラッグ] ║Recovers stamina upon successful hits on ground.

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╚Angel Beat [エンジェルビート] Recovers stamina upon successful hits on ground, and recovers more OP. Normally one hit recovers 5    OP, Angel Beat III recovers 8, IV recovers 10.

Square/Triangle Attacks 2 [□・△ボタン攻撃2]
╔Dragon Pulse [龍脈起こし] ║Create Pillar after 3rd square attack. Dragon Pulse II and above create more pillar and increased damage ║pillar. ║

╚Final Art-Hurricane Exterminator [奥義・竜巻殺法] Change the 3rd square attack to a spinning attack. The spinning attack is infinite and get faster to the peak   after couple spin. Tap square button to keep spinning. Then you can deliver finishing blow with triangle           button. The finishing blow got more powerful for every increasing speed of spinning attack. Beware, IF           YOU DON'T HIT THE ENEMY AT THE FINISHING BLOW, YOUR HP DROP TO 0 (YOU DIE). But the            spinning attack can be canceled by stop tap the square button to prevent the finishing blow. Divine Jaw Crusher [神顎砕] Change the 3rd triangle attack to upward charging swing. does more damage when leveled up.

Step Attacks [ステップ攻撃]
Accel Smash [アクセルスマッシュ] Extends range and damage of your step attacks. Square step attacks have further range. Accel Smash II and above has superarmor against some attacks.

Air Square / Triangle Attacks [空中□・△ボタン攻撃]
Solidarity Fun-Smashing [連砕独楽] Increases no. of hits done in air. Gaia Pressure [ガイアプレッシャー]

Boost Actions  [ブースト行動]
Blaze Heart [ブレイズハート] Increased attack for all Boost actions from the first level, Stamina reduction for all Boost actions from Blaze Heart III onwards. Iron Heart [アイアンハート]

Grants super-armor against attacks during all Boost attack actions, slight increase in attack power. Grants even stronger superarmor from Iron Heart III onwards. you still can get hit with slight time between attack.

Boost Rush [ブーストラッシュ]
^Press Square during Boost Tenderizer [テンダライザー] Increases attack speed and damage of Boost Rush. Fatal Flail [絶命乱れ打ち] Increases damage and critical hit damage when making critical hits.

Boost Drive [ブーストドライブ]
^Press Triangle during Boost Hard Chaser [ハードチェイサー] Grants super-armor and damage against some attacks Pinwheel [ネズミハナビ] Rescues stamina consumption, reduces dash distance, increases damage. Good for adjusting placement for Boost Rush. Pinwheel III further reduces stamina consumption. Dashing action is much faster, allowing you to use this as good source of damage.

Boost Impact [ブーストインパクト]
^Press L+Square during Boost ╔Final Blow [終ノ一撃] ║Final Blow III ignores a part of the targets defence (players reported that hitting area that gives a green ║spark becomes red/orange sparks).

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╚Divine Killer [神殺]

Boost Impact consumes much stamina. Work well with selfless state and calm breather. You can still step away once after the smash before you become out of breath. if you have link support stamina saving, more stamina, and Stamina saving skill, you can still have stamina left.

Prominence [プロミネンス] R + Square becomes an upward swing, allowing ease of hitting parts like legs and claws. Does more damage upon critical hits. Prominence III increases base attack power.

Credit to Shirakawa Wynn at 22:53