Frontiers O2 Tube

Frontiers O2 Tube is a 5-star Kit in Arknights: Endfield. Base stats: Defense +21, Physical DMG Bonus +23.0%, Will +41. 3-piece set effect: Wearer's Combo Skill Cooldown Reduction +15%. After the wearer's skill recovers SP, the team gains DMG +16% for 15s. This effect cannot stack.

Stats

Defense+21

Physical DMG Bonus+23.0%

Will+41

Level 70 Kit ★★★★★

Artificing: stats at each upgrade level

Stat	Base	+1	+2	+3
Physical DMG Bonus	23.0%	25.3%	27.6%	29.9%
Will	41	45	49	53
Progress required	0	6	12	20

Artificing consumes Catalysts and gear of the same rarity and type. The numbers above are the exact values at each level.

3-piece set effect

Frontiers

3-piece set effect: Wearer's Combo Skill Cooldown Reduction +15%. After the wearer's skill recovers SP, the team gains DMG +16% for 15s. This effect cannot stack.

Which operators this fits

This piece raises Will — it fits operators whose main attribute is Will (computed from official stats, not a subjective ranking).

Avywenna Estella Gilberta Pogranichnik Xaihi Zhuang Fangyi

Full Frontiers set — 14 pieces

Frontiers Analyzer Frontiers Armor Frontiers Armor T1 Frontiers Armor T2 Frontiers Armor T3 Frontiers Blight RES Gloves Frontiers Comm Frontiers Comm T1 Frontiers Extra O2 Tube Frontiers Extra O2 Tube T1 Frontiers Fiber Gloves Frontiers Fiber Gloves T1 Frontiers O2 Tube Frontiers Protection Suit

Equip any 3 pieces from this set to activate the set effect.

FAQ

What is the set effect of Frontiers O2 Tube?

3-piece set effect: Wearer's Combo Skill Cooldown Reduction +15%. After the wearer's skill recovers SP, the team gains DMG +16% for 15s. This effect cannot stack.