Some major changes were made in the last patch on CN. There might be bugs when China is selected. Other servers will not experience issues. My apologies for the inconvenience.
Increases ATK by 10%. When Lucia: Crimson Weave holds the odachi, her Extra DMG Bonus increases by 15%. The efficiency of acquiring Aphotic Points increases by 40%.
Shock Echo
When taking damage, releases a shockwave that deals damage equal to 50% of own ATK, pushing enemies away and reducing enemies' Movement Speed by 35% for 5s, CD for 8s.
Incandescence
Weapon's final ATK increases by 15% at the start of battle. No duration limit.