what is THIS

idk what this is i found a sketch version of this it looks a seedrain maybe not but oh well uh...... i guess shes a robot/seedrain and yea
nameless but nicknamed Scree
seedrain/robot?
those tubes are attached from her amulet to her back
[edit]
oh yea i forgot since shes half robot she has a hyper loud screech thats how she got her name she rarly screeches but when see a bee she screeches like crazy it could break someones ear drum even though they're far away

scree(c)me
seedrains(c) sonic