Gacha Club Heal All Strike and unit list
This Gacha Club active skills is called Heal All Strike. This ability attacks all enemies for a little bit of damage and heals all allies for a percentage of this units maximum HP. This skill is generally not as useful as Heal Strike because it costs 5 more MP. Normally the whole purpose of these two skills is to get a cheap heal for your team. This ability does so little damage anyway, it's generally better to use the single target version to conserve MP.
The level progression of Heal Strike in Gacha Club is as follows:
Level 1: Attack all enemies with 1x damage and heal team for 12% of this units max HP
Level 2: Attack all enemies with 1.2x damage and heal team for 18% of this units max HP
Level 3: Attack all enemies with 1.4x damage and heal team for 22% of this units max HP
Level 4: Attack all enemies with 1.7x damage and heal team for 26% of this units max HP
Level 5: Attack all enemies with 2x damage and heal team for 30% of this units max HP