prontera,162,186,5 script Warper#toasty 3059,{
will result this:
http://nn.nachtwolke.com/dev/npclist/?q=3059&qq=search
try this:
http://nn.nachtwolke.com/dev/npclist/?q=assassin+cross&qq=search
if you want to clone the look of a specific char to be a NPC.. then... i only came up with Clone
first, make the NPC had no sprite (3296) or 111
clone "prontera",<150>,<151>,,<char id>,<master_id>,64;
will make the clone to be a plant. IDK if it can be attacked or not.
for another thing...
https://rathena.org/wiki/Setnpcdisplay
oh and idk if player can click the npc to start basic NPC interactions or not