<p>I think It depends of the world:</p><ul><li>Retro open PvP: they can set defended blocking the entrance to áreas, areas, if the entrance is small enough to place high eks which won't get killed normaly. normally. Placing a lot of low level characters also works as far as nobody kill them all.</li><li>Open PvP: you can get into some hole that closes after ur your team are in, and stack people on the entrance; you can use Magic wall in red Mode with low levels characters to avoid anyone to enter a trap; you could use NPCs in certain áreas areas with 1sqm that won't be able to push if people takes the spots around them.</li></ul>