Gathering Ki
In your training you will need to do this a lot it will help you to perform these techs.
Sit in a comfortable position aor stand and visulzie little streams of energy coming into you and filling you up with energy do this until full.
Grounding
This is another sufficient way to draw energy place your feet flat on the ground and visulzie roots shooting from your feet and into the ground sucking the energy from the earth and entering your dan tien I found it better to ask the earth than just take it
Ki Ball
This is a good tech for energy manipulation you can use it to heal and do lots of things blasting is the most common.
First gather some energy and focus on your dan tien a small area just below the navel and see a green orb of energy spinning around and enegry blasting from there into your hands and forming a ball
If you do this right you will feel heat or a magnetism in your hands.
Ki Sheild
This tech is good to protect yourself from ki blast or any ki attacks **WARNING** IT WILL NOT PROTECT YOU FROM BULLETS OR PHYSICAL ATTACKS
start out drawing energy from the earth and having it fill your dan tien than have that energy explode from your dan tien and surround you in a bubble make the bubble out of steel to protect you from any ki attacks.
Ki Flame
This is a basic powerup that you can use in spars or just training basically you just gather energy until full than you focus on that energy in your dan tien exploding with the force of a bhomb forming a flame around you if done right you will feel heat around you.