Centepide's Flaming Snare

You fling a spirt of fire that takes the from of a

centipede that wraps itself around the legs of

creature, the target must make a dexterity saving

throw or have there speed reduced to 0 and fall

prone on a success there movement speed is

reduced to 0 but they do not fall prone, the target

must make a strength or dexterity check on the end

of each of there turns in attempt to remove the spirt

if they succeed the spell ends, at the start of the

target creatures turn they take 2d10 fire damage as

long as the spirt is still attached. 

At higher levels When you cast this spell with a 4th level spell slot or higher it gains 2d10 fire dmg for each level