Bloodline members needed to drink blood on a regular basis, or else they would feel thirsty and enter a state of blood addiction.
In a state of blood addiction, a Bloodline member would feel uncomfortable all over, just like a drug addict suffering from withdrawal.
Blood addiction was a warning.
If they still didn't drink blood, the state of blood addiction would worsen, their consciousness would gradually lose control, and in the end, they would enter a Blood Rage.
Charlotte had experienced Blood Rage once before.
Because of this, she had a profound impression of the symptoms of a Blood Rage.
Flushed face, accelerated breathing, abnormal heartbeat, spirit in a haze…
Clearly, this Bloodline member of the Harcos clan in front of her was on the verge of a Blood Rage.
For Bloodline members, Blood Rage was not uncommon; even if one did not stop a Blood Rage from erupting, as long as fresh blood was replenished in time, a Bloodline member could return to normal.