What NPCs won't have a conversation with you if you say the word hi?

Question

Some NPCs won't talk to you unless you say specific words. 

1. If you could mention the NPCs name
2. What you would say to the NPC to start a conversation instead of "hi"

It would be most appreciated as this could help some players if they're trying to figure out how to talk to the NPC.

Answer 1

Hi Shawtay!

The Npcs I know doesn't response if you say Hi are:

,  and  from the mission Dolis - The Last Planegazer, from Opticording_Sphere_Quest. 

The word you have to say to start a conversation with them is: PLNSTRDR.

The Greet Royalty of Tibia, we must say "HAIL followed with their names "x" (X= The name of the royalty we talk to talk, The King Tibianus, The Queen of Carlin and The Emperor of Kazordoon)" Example: Hail King Tibianus.

Comments

You also have to greet royalty with hail I believe. The king of Thais, queen of Carlin, and Emperor of Kazordoon. If I remember correctly

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Also "A Starving Dog" in Svargrond, you have to say "Sniffler" to be able to interact with him, he is part of the Ice Islands Quest.