List of Items with BC Cost Reduction

:See also List of Units with BC Cost Reduction and List of Elgifs with BC Cost Reduction.
This list includes all items capable of reducing the BB Gauge cost requirement. Percentages marked in red indicate that the effect is only active during Guild Raid.
Spheres that have negative values to BB Gauge Cost Reduction indicate that the effect increases the cost rather than decreasing it.
==Spheres==
Name 	Type	Rarity	Effect
Ragnarok Edict 	 	7★ 	50%
Ortus 	 	7★ 	30%
Elder Hat 	 	5★ 	25%
Giselbert's Honor 	 	7★ 	25%
Ihsir's Wiles 	 	7★ 	25%
Shining Sun Medal 	 	7★ 	
Yue'yuan 	 	7★ 	25%
Corrupted Blossom EX	 	7★ 	25%
Orphira 	 	7★ 	25%
Fairy Heart 	 	7★ 	25%
Tarok's Bloodlust 	 	7★ 	25%
Miracle of Khons 	 	7★ 	25%
Lad Mirazh 	 	7★ 	25%
Faded Heart 	 	7★ 	25%
Summoner Key 	 	6★ 	20%
Projection Device 	 	6★ 	20%
Defender's Blade 	 	6★ 	20%
Godslayer Bow 	 	7★ 	20%
Health Codex 	 	6★ 	20%
Imperial Savior 	 	6★ 	20%
Harmony Vestments 	 	6★ 	20%
Johnny's Coin 	 	6★ 	20%
Forbidden Apple 	 	7★ 	20%
Giselbert's Brand 	 	6★ 	20%
Kagura Suzu 	 	7★ 	20%
Corrupted Blossom 	 	6★ 	20%
Pallya 	 	7★ 	20%
Excelsior Chip MK-3 	 	7★ 	20%
Seabound Vow 	 	7★ 	20%
Vestige Omega 	 	7★ 	20%
Photon Scepter 	 	6★ 	20%
Shining Medal 	 	6★ 	
Four Bonds 	 	6★ 	15%
Invigorating Device 	 	6★ 	15%
Meirith Pearl 	 	6★ 	15%
Golden Heart 	 	6★ 	15%
Platinum Bangle 	 	6★ 	15%
Gibbous Trinket 	 	6★ 	15%
Quintan Relic 	 	6★ 	15%
Flower of the Vale 	 	6★ 	15%
Excelsior Chip MK-2 	 	6★ 	15%
Vestige Alpha 	 	6★ 	15%
Summoner Hat 	 	3★ 	10%
Dragon's Amulet 	 	6★ 	10%
Anathema Tome 	 	6★ 	10%
Mira's Holy Relic 	 	3★ 	10%
Euphoric Illusion 	 	4★ 	10%
Excelsior Chip MK-1 	 	5★ 	10%
Requiem of Regret 	 	7★ 	-10%
Thrilling Harmony 	 	7★ 	-10%
Joyous Harmony 	 	7★ 	-10%
Elegy of Regret 	 	7★ 	-10%
Hachiman Song 	 	7★ 	-15%
Resolute Carapace 	 	7★ 	-15%
Beiorg's Armor Mk V 	 	7★ 	-15%
Primal Desire 	 	7★ 	-15%
Thousand Mimics 	 	7★ 	-15%
Victory Chant 	 	7★ 	-15%
Fleeting Ballad 	 	7★ 	-15%
Resolute Silence 	 	7★ 	-15%
Victory Roar 	 	7★ 	-15%
Absolute Silence 	 	7★ 	-15%
Eternal Ballad 	 	7★ 	-15%
==LS Spheres==
Name 	Rarity	Effect
Mechani-Shell 	7★ 	20%
Automated Warrior	4★ 	15%
==Add to LS==
Name 	Rarity	Effect
Mark of Spire	7★ 	10%
Category:Detailed Buff Lists