Delayed Healing

Delayed Healing is a in Xenoblade Chronicles 3. It heals the affected character if their decreases below a certain value (clearing the buff in the process). It does nothing if the character is incapacitated by the attack. The character must be damaged to trigger the healing; even if a character receives this buff when below the HP threshold, they will not be healed until they receive damage.

By default, this buff heals the character for 15% of their maximum if they take a hit that leaves their HP below 30%. The amount of HP restored can be increased using effects that give bonuses to HP restored, but is unaffected by increases to Healing Power. Both the amount healed and the threshold can also be increased by buffs such as Swelling Blessing. Delayed Healing lasts for 20 seconds at base, up to 40 seconds with buff-duration-increasing effects.

15% of max HP is not a lot. The additional healing is nice when available, but cannot be relied upon as a main source of healing. Be wary of using this with characters that have bonuses below 30% HP; the buff makes it substantially more difficult to meet this condition.