Camouflage
When the Windrider is hidden, enemies cannot spot them with passive perception and they have disadvantage when making active checks to find them.
Embed
When the Windrider hits with an attack made with advantage it may deal no damage and Embed itself in the target creature.
The target creature must make a Perception check contested by the Windriders stealth to be aware of this.
While embedded it deals 2 poison damage automatically to its target at the start of its turn, healing itself for 2 hitpoints.
Any damage dealt to the Windrider while embedded is instead dealt to the victim.
The Windrider can be removed with a DC 15 STR check (Dealing 4 damage to the host) or with a DC 12 Medicine check.
Sapper
Melee Weapon Attack: +3 to hit, reach 0ft., one target
Hit: 2 piercing damage
This tiny plant creature soars through the air, catching with wind with the fluffy, cotton buds that grow on its back.
Its main body is almost translucent, making it very hard to see against the sky.
It alights gently on large mammals and extends roots into their veins, absorbing nutrients from their blood.