Ensnaring Strike - Stoic

Immediately after you hit a creature with a weapon, your Inner Flame manifests as precisely controlled supernatural binding vines that coil around the target. The creature must succeed on a Strength saving throw or have the Restrained condition until the spell ends.

While Restrained by these vines, the target takes 1d4 Piercing damage at the start of each of its turns. The target or another creature within reach can take an action to make a Strength (Athletics) check against your spell save DC, ending the spell on a success.

Stoic Restraint. This spell is restrained by your Stoic State, decreasing its recurring damage dice from d6s to d4s. When you cast this spell, you can use Red Colour Conversion to change all Piercing damage dealt by its binding vines to Fire damage for the entire casting, including damage dealt on subsequent turns. Your Stoic State improves your Ranger spell save DC, making the binding vines more difficult to resist at the cost of raw damage.

Using a Higher-Level Spell Slot. The recurring damage increases by 1d4 for each spell slot level above 1st.