and what traits are on your armor? Do you use impenetrable? Or some other trait that buffs armor/spell resistance or reduces damage?

Purifying light copies the damage done by the enemy (you) for 6 seconds and releasing it for 18% of its damage done as Magic damage back to you. You killed yourself. The cast is instant and you will have a beam of light on you. Magicka Templars use this.

Purifying light
Target enemy stores up damage taken for 6 seconds
When effect ends they receive an additional 36% of damage inflicted, and a pool of healing light appears for 6 seconds, healing allies for [x] every 2 seconds
Maximum damage: [x]

ms2mustaine wrote: »

I know how does that work but it store more than 18% or 36% I have 35K of health its just half of my life that damage

You took 12533 damage from it. That is 36% of the total damage you received in the previous 6 seconds.
That means in the previous 6 seconds you received 34814 damage. (34814*0.36=12533)

The damage you receive from it has nothing to do with your maximum health, it only depends on the total damage you received in the previous 6 seconds. Remember that damage you receive counts towards charging the final blast even if it got healed in meantime.

i.e. if i cast purifying light on you, then i hit you for 34K damage, even if you heal up back to full, 6 seconds later you will get hit for 12K damage.

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Or another example: Player A has 60.000 HP. Player B is hitting him for 30.000 damage every second, but player A heals himself for 30.0000 damage every second. This means player A never gets killed because he is always healing all the damage done to him.

But if player A gets purifying light cast on him at some point, the spell will remember all damage player A took(even if it was healed back up immediately). So every second, it will remember 30.000 damage being done, for 6 seconds.

When it expires, there will be 6x30.000 = 180000 damage stored. 36% of that will be done as damage to player A. Since 36% of 180000 is 64800 damage, player A will get one-shot by purifying light and killed.
(note: this is an artifical example, just to put the point through, as there is actually a cap on how much damage can be done by the purifying light explosion)

Sharee wrote: »

MadNeedHelp wrote: »

Purifying light copies the damage done by the enemy (you) for 6 seconds and releasing it for 18% of its damage done as Magic damage back to you. You killed yourself.

Purifying light stores the damage done to the target affected by it, not by the target.

thanks for the correction!