毒
This Chinese character means poison.
You can watch how to write this. - (「毒」の書き順（筆順）動画 - 漢字書き順辞典)
The way to read this Chinese character is "どく".
This is often combined with other Chinese characters.
For example, "毒薬 (どくやく)" also means poison.
"薬 (やく, くすり)" means drug or medicine.
"毒殺 (どくさつ)" means killing by poison.
"殺 (さつ)" means kill.
Do you know "薬草 (やくそう)?
"草 (そう, くさ)" means grass or weeds.
"薬草" means medicinal herb.
In some role-playing games, "薬草" is an item to heal the character.
Maybe it's a hell of a drug.
By Higashi-Mikawa Kyōjindō Shujin (東三河狂人堂主人)