Sandalphon (Valentine)/Strategy

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Ratings

Sandalphon (Valentine)			01 10
	Edit rating Role: Attacker/Healer Has guaranteed triple attacks, but no charge bar gain upon normal attacks. Provides healing to all Wind allies and removes 1 debuff when a foe uses a special attack. Grants Veil (1 time)Debuffs will be nullified (1 time) Duration: Indefinite"Veil" is an unofficial name used by the wiki for this status effect. Its actual in-game name is "Immune." and UnchallengedNext DMG received will be ineffective Duration: 1 turn to all Wind allies. Inflicts Gravity +3Max charge diamonds are increased by 3 Duration: 5 turnsLocal status effect and DelayReduce a foe's filled charge diamonds by 1 on his foe(s). Relies on the total number of charge diamonds of all foes in the battle for his skills.

Site	RatingThe character's overall rating out of 10.	GrindingThe character's general efficiency in repeatedly clearing menial content with an emphasis on real-time speed. GW Max Grade: SS KG Max Grade: SS	Full AutoThe character's general performance in Full Auto parties. GW Max Grade: SS KG Max Grade: SS	High DifficultyThe character's capability relative to the game's most difficult content. GW Max Grade: SS KG Max Grade: SS	Last Update
GameWith	9.7	A	S	S	2025-12-07
Kamigame	9.5	A	S	A	2025-10-27

Extended Mastery Perks

GamewithKamigame

Sandalphon (Valentine)			Stars: 18	EMP: 171
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Wind ATK Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Debuff Resistance ★☆☆ ★★☆ ★★★ 5% 8% 10%
☆☆☆	☆☆☆	☆☆☆	★★★	☆☆☆
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Wind ATK Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Charge Attack Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%
☆☆☆	☆☆☆	☆☆☆	★★★	☆☆☆
Skill Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Skill Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Debuff Success Rate Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Healing ★☆☆ ★★☆ ★★★ 10% 15% 20%	Boost to ATK against foes whose charge diamonds are filled.
★★★	★★★	★★★	★★★	☆☆☆
Last update: 2023-02-21

Gamewith's recommended EMP build for Sandalphon (Valentine).

Priorities

Prioritize two nodes of Skill DMG Cap Up 3★, followed by two nodes of Wind ATK Up 3★.

Afterwards, take Healing 3★ followed by Debuff Success Rate Up 3★.

Sandalphon (Valentine)			Stars: 18	EMP: 171
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Wind ATK Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Debuff Resistance ★☆☆ ★★☆ ★★★ 5% 8% 10%
☆☆☆	☆☆☆	☆☆☆	★★★	☆☆☆
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Wind ATK Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Charge Attack Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%
☆☆☆	☆☆☆	☆☆☆	★★★	☆☆☆
Skill Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Skill Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Debuff Success Rate Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Healing ★☆☆ ★★☆ ★★★ 10% 15% 20%	Boost to ATK against foes whose charge diamonds are filled.
★★★	★★★	★★★	★★★	☆☆☆
Last update: 2023-02-21

Kamigame's recommended EMP build for Sandalphon (Valentine).

Resources

• Reddit Character Discussion (2023-04-05)
• Reddit Character Discussion (2025-11-08) (post-October 2025 Rebalance)