If the blood exchange is incomplete, the foundation will be damaged.
In severe cases, one might pass away on the spot, leaving all past efforts in vain.
And the consumption during the entire process increases with each exchange.
Once past three blood exchanges, ninety percent of the Grandmasters in the world cannot withstand such depletion.
It can be said that choosing this step is crucial.
If the target is set low, completing three blood exchanges would make one mediocre among Grandmasters.
Because the upper limit of the world's Grandmasters is at least three blood exchanges.
Even an ordinary Human Dao Grandmaster considers three blood exchanges as perfection.
The same goes for an Earth Carrying Master.
However, there is no lack of change in between.
A Human Dao Grandmaster, upon completing one blood exchange,
