The twin chargers were a pair of weapons used by Dalu.1, 2, 3, 4, 5 Dalu could cross them6 and use them to temporarily increase one attribute of another being7, such as speed1, 2, 8, 3, 6, 4, 5, strength1, 2, 8, 3, 6, 4, 5, hearing1, 6, 5, or sight9, at the expense of draining some of her own energy.1, 3, 6 She could increase an attribute of a foe in an adversarial way.8 For example, she could increase someone's hearing or sight to unbearable levels of sensitivity.6, 9 The twin chargers worked over a distance10, and their effects lasted for a matter of minutes.11 If Dalu used them too often in a short span of time, she risked unconsciousness or death.6 She was only able to use them on Avak three times before falling unconscious.6
Dalu received these weapons from Karzahni to compensate for her poor reconstruction.12, 13, 14