Need Help With Movements And Npc And Action All In One Script

[Angel Of Death]

I Need A Script That Will Make A Floor Tile Act Like Npc When Stepped On It Will Great U And If U Satisfied His Questions He Will Remove The Wall And Place It Back

 

[elnelson]

?????....., you want an npc that ask you a question, if u answer right he remove the wall, after u pass the wall, it place it again?
isnt easier that the NPC teleport you?

 

[Angel Of Death]

i want it to auto talk when u step in the tile i dont wanna have to say hi to the wall