What is the use of the Hallowed Tower in Platinum?

Question

In Pokemon Platinum, on route 209 you can make what is called the Hallowed Tower. What is its use?

Answer 1

You place the odd keystone inside of it. Then go to the underground and meet 32 players. You can get spiritomb.

>Players refers to actual people playing the game, who appear in the Underground via DS Wireless Connection. Talking to the NPC vendors or traders will not count towards the total needed to summon Spiritomb.
It is important to note that one does not need to talk to 32 different players (it can be the same person 32 times, 32 different people, or a combination of both). However, one of the players may have to leave the main part of the Underground between interactions for each one to count. Entering and leaving a secret base also counts as having left the Underground. The number of players the player has talked to can be checked in the Underground by selecting the menu and viewing the Trainer Card. The number of people met is the number of players one has talked to.
Spiritomb can be summoned multiple times; however, the player will need to repeat the requirements: a new Odd Keystone to place and another 32 player characters to interact with. - Bulbapedia

Comments

Thank you!

Answer 2

The Hallowed tower is how you get Spiritomb!

What you do is you insert the Odd Keyston into the Hallowed Tower then You, go to the Underground and talk to 32 people (not including the npc hikers), then you can come back to catch Spiritomb!

You get the Odd Keystone from the Karate Man on Route 209

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