Enviro Impact BREAK 400
40–55s CT - 3,000–5,500% Earth DMG (PHY). For 60–75s, increase own Earth DMG by 100–125% (stackable).

45–55s CT - Heal all allies' HP by 2,500–4,000. For 10–20s, increase ◯ Element allies' MAX HP by 10–20%.
Numbers in a range are rolled when the equip is crafted.
40–55s CT - 3,000–5,500% Earth DMG (PHY). For 60–75s, increase own Earth DMG by 100–125% (stackable).
40–55s CT - 3,000–5,500% Water DMG (MAG). For 60–75s, increase own Water DMG by 100–125% (stackable).
50–65s CT - For 10–20s, heal allies' HP by 700–1,000/s. For 10–15s, increase own PHY DMG or MAG DMG by 50–100%.
30–50s CT - 1,000–2,500% Water DMG (PHY). For 7–15s, reduce enemies' Break RES by 10–15%.
45–65s CT - For 4–8s, increase allies' Arts (except ownself) by 4–8/s.
Data from the Grand Crusade Guide by jeffers and .phex (Grand Summoners Official Discord).