楼道门In crossing the bridge, she dropped the door key in the river.

景胤阑躺在床上，脸色铁青，印堂上环绕着一团黑气。

楼道门 

在这种情况之下，林飞知道，自己就算想传送进身上的城池，或者奴隶塔之中，也办不到。
“Dumbledore was really angry,” Hermione said in a quaking voice. “I've never seen him like that before. He ran onto the field as you fell, waved his wand, and you sort of slowed down before you hit the ground. Then he whirled his wand at the Dementors. Shot silver stuff at them. They left the stadium right away…He was furious they'd come onto the grounds. We heard him —”