Greaver
From SpiralKnights
Greavers are a type of monster found in the Clockworks.
Traits
Greavers resemble large bats crossed with moths, like their smaller cousins, the Wings. Unlike Wings, however, Greavers are not passive healers. They will follow a knight and swoop in when preparing to attack, hugging their target's behind closely for a few moments before hitting.
As adventurers progress down later tiers, Greavers will also gain the ability to shoot bullets.
Types
Strategy
Greavers move fairly quickly when preparing to strike, so a knight charging his own attack is unlikely to outrun them. They stick to their targets long enough before attacking for you to cancel your charge or move out of range. Push them away with your shield or dodge their hits before counterattacking.