While dragons are non-existant today, research finds that the Komodo dragon has the capability to kill their prey with venom. They secrete venomous proteins in their mouths, venom but to a degree basically. The Komodo is also the world's largest living lizard, or perhaps "dragon".
Answer:
Possessive pronouns are mine, yours, his, hers, its, ours, yours, and theirs. They replace a noun or noun phrase already used, replacing it to avoid repetition.
Example:
"I said that phone was (mine)."
"(His) hand hurts."