Arknights: Endfield v1.6 Sustain Guide: Healer Tiers, Builds, and Team Slots

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In 2026, Arknights: Endfield Version 1.6: Sanctuary of Ink has sharpened the sustain conversation. The update made one point impossible to ignore: Endfield has no Medic class. Healing is not a disposable slot filled by a dedicated healer; it arrives through Supporters and Defenders who bring reaction support, debuffs, and team damage after HP bars are stable. That distinction matters because many Endmin and AIC players still burn Etchspace stamina on generic healing gear while skipping Ardeli