Wonder of U is an Event card from update 24.5.
Bringer of Calamity
wou:1Steps: Reward from Thawing Capsule - 2025.
+0.0% from levels · 100 cap at this prestige
No ascension bonus
Needs A3 and level 100
Base stat
Base stat
Base stat
Base stat
Enemies that target or damage this card are afflicted with Calamity; Calamity deals 12% of the enemy's Max HP as damage and applies -20% ATK, DEF and SPD for 2 turns; Each consecutive trigger on the same enemy increases Calamity damage by +6% Max HP (up to 23% Max HP); Calamity damage ignores up to 7% Damage Reduction.
Enemies sharing the same position as this card take +100% more damage from Calamity.
This card takes the highest tag buff and applies it to itself before the start of a fight.
When allied with 
Soft and Wet; Go Beyond!, Go Beyond! buffs for an additional +75%.