Pandemic

The Pandemic is a Hardmode yoyo dropped by The Plaguebringer Goliath. Similar to the Oblivion, the Pandemic constantly fires plague seekers at nearby enemies; plague seekers deal 75% of the yoyo's damage. Both the yoyo and its plague seeker projectiles inflict the Plague debuff.

Trivia

 * A pandemic is a real world event where a dangerous disease spreads to multiple different countries and regions.