Strength light 
Possible Target Types: SELF, ALLIES, VARIANT
Trigger actions: Attacking, Ally getting attacked
BottledLight ingredient: minecraft:blaze_powder
Conditions:
SELF:Low Health,Very low Health,Low armor durability,SurroundedALLIES:Ally's low Health,Very low Health,Ally low armor durability,SurroundedVARIANT: Same as SELF
Effect:
SELF: When activated, the player will receive a Strength status effect, with power and duration equal to the player's power multiplier and duration attributes. Particles of Strength light will spawn around the player.ALLIES: When activated, any nearby allies with low health (or not, configurable in the config) will receive a Strength status effect, with power and duration equal to the player's power multiplier and duration attributes. The player will instead receive the same status effect but with the power reduced (configurable). Particles of Defence light will spawn around the player and allies.VARIANT: When activated, the player will receive a Mining Speed status effect, meant to increase the attack speed, with power and duration equal to the player's power multiplier and duration attributes. Particles of Strength light will spawn around the player.
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A bit old Demo video