Items needed:
Full Blood tank,
Heart monitor
Cardiopulmonary machine
Atom Bomb
Empty Syringe

As soon as the Subject gets brain damage,
Pause time with your magical powers
Spawn in all said items,

Attach blood wire from Atom bomb to empty syringe
( Atom bomb --> Empty Syringe)

Attach heartbeat monitor with blood wire to human and turn on,

Attach cardiopulmonary Machine to human with blood wire an activate,

Bandage Head where brain damage is,

Give all blood from Blood tank, to human via blood wire

(Added after first section) Use mending syringe on Human

(Added after first section) Put blood in syringe

After all that, Use the Blood-Tritium syringe that you made on the human,

Congrats, you have fixed brain damage using complex neurosurgical "surgery"



if that fails.. Use the secret method..

use *THE PINK SYRINGE*


if all else fails..
Use the life syringe.