"Quirks are basically manifestation of effects of chakra on the environment under conscious effort. They are phenomena that can be realised by skillful utilisation of energy paired with good imagination," spoke Black heart as he instructed Dastan and Sarah.
"Here, I give you the Heaven trembling void god quirk series, this is a unique void natured quirk that manipulates vibrations/waves arising in space-time fabric, it gives you an inkling on how to interact with space-time and learn to utilize your void attribute."
"Sarah, I give you the Lightning azure dragon quirk series, this quirk concentrates on weaving, condensing, manipulating and controlling lightnings to guide the flow of combat and give you an edge,"
"Learn these well and practice them to perfection, once you reach that level, your formal education under me shall complete," spoke old man.
Three years passed by in a flash,
"Dastan, Sarah, it's time to demonstrate your skills to me, you have practiced them for three years, I'm interested in seeing the level of the mastery of them, tomorrow in the morning, I'll see the performance of you," spoke Black heart to his now eight year old disciples