Poisoned
A poisoned Nexomon loses 10% of its max HP each turn.
It stays after the battle, until it's cured, or the Nexomon faints or is fully restored. The Status effects page has the rules every effect shares.
Caused by
Same for all 5: On:TargetTurns:No limit
 Blooming Spores | 10% on a hit |
 Poison Bubbles | 35% |
 Poison Cloud | 30% on a hit |
 Poison Sting | 20% on a hit |
 Toxic Splash | 20% on a hit |
History
Changes to this status effect across game updates.