Necro Ripper BREAK 1,100
60–70s CT - 5,000–7,000% Dark DMG (PHY). For 7–12s, reduce enemies' Dark RES by 45–60%.

70–90s CT - 10,000–20,000% Fire DMG (MAG). For 10–30s, reduce enemies' Fire RES by 50–60%.
Numbers in a range are rolled when the equip is crafted.
60–70s CT - 5,000–7,000% Dark DMG (PHY). For 7–12s, reduce enemies' Dark RES by 45–60%.
40–55s CT - 3,000–5,500% Dark DMG (MAG). For 60–75s, increase own Dark DMG by 100–125% (stackable).
60–70s CT - 7,000–11,000% Light DMG (MAG). For 8–16s, increase own Accuracy by 45–65% and reduce enemies' MAG RES by 30–40%.
60–80s CT - For 30–40s, increase own HP Recovery Amount by 40–50%.
30–40s CT - For 7–10s, increase all allies' Arts by 3/s. Additionally, for 8–12s, increase ◯ Element allies' Skill CT Speed by 30–40%.
Data from the Grand Crusade Guide by jeffers and .phex (Grand Summoners Official Discord).