Some of your blood gathers in the palm of your hand as you reach out to an ally. Your liquid life force seeps into them as their movements blur with speed.
You take 2d4 Necrotic damage; this damage cannot be reduced or prevented by resistance or immunity to Necrotic damage. Your ally may immediately take either a Bonus Action or an Attack Action, their choice. They also gain an Armor Class bonus equal to your Proficiency Bonus until the start of your next turn.
Using a Higher-Level Spell Slot. When you cast this spell using a higher-level spell slot, it is improved based on the level of the spell slot used. 3rd - the ally gains both a Bonus Action and an Attack Action; 5th - the ally takes an additional normal turn.
* - (your freshly spilled blood, or a melee weapon with the Light property)