According to Siddh /Sanatan Dharma the entire universe was willed into existence by Para Bramhan or param shiva. When the universe being formed,branched creation into 3 fundamenta]
Qualities or Gung Sattva ,Rajas and
Tamas.
Every matter in the universe was further created and composed of the panch Mahabhoota or tattva.
PRITHVI - EARTH
JAL - WATER
AGNI - FIRE
VAYU - AIR
AKASH - SPACE OR ETHER.
Elements do not exist separately nor do they exist in the form you perceive. Every matter is made up of these 5 tattva . The water you drink and the flame of fire you light your Havan.
Once a person masters these 5 tattva he can transform any matter.
In tantra all the devi devata have 5 skulls on their crown,waist or neck .
It shows they control these 5 tattva and by their worship so can you.
From akash tattva they other 5 tattva or essence have transformed.
From Akash > Vayu > Agni >jal >prithvi
It is said the devas who live in a realm above ours in swarg loka do not have the jal and ptithvi tattva in them.
There are 36 tattva other than these 5 panch Maha Bhootas.
So bollywood cannot show that a hero is agni tattva based on our Hindu philosophy. He cannot weird agni astra based on his wish as it is not just fire as we know it.
All my knowledge comes from Mahasiddha Ishaputra compassion.
Om sam siddhaya Namaha
Om Padmapriya ramapati Ishaputraya Namaha