# Core

## Forum page

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Forums: Index > The Wizengamot archive > Core

Considering so many people have the same core,i.e,Dragon Heartstring, when in a duel,will they also perform Priori Incantatem ?!..or is it only when they are taken from the same dragon,because I think that is the condition on which Priori Incantatem occurs.--Beautiful altar 15:30, October 10, 2009 (UTC)

You´re right. Only if they´re taken from the same dragon/uniconrn/phoenix etc.--Rodolphus 15:35, October 10, 2009 (UTC)

```oh !! thank you !!--122.167.153.233 05:34, October 11, 2009 (UTC)
```