[Fix]: Data for Onyx Dragon

[Nauvis]

Mob Id

5420

Content Type

PoTD

What threat level sould the mob have

None

What agro type does the mob have

Sight

Vulnerabilities for the enemy

• [ ] Stun
• [ ] Heavy
• [ ] Slow
• [ ] Sleep
• [ ] Bind
• [ ] Undead

Additional mob text guide

Actual aggro type is sight, currently listed as proximity

also noticed a minor typo in this form, "sould" instead of "should"