Quick answer: The Temple of Blue Fireflies bell is in a temple courtyard on a terrace in the Village of Lu. From the Well of the Three Puppets, cross the stone bridge, enter the field, then run and jump from the bamboo pile onto the roof.
This route covers Chapter 1 in Phantom Blade Zero, after you defeat Zhuo Bi, the Gatekeeper, on PATHBREAKER difficulty.
Where the Temple of Blue Fireflies bell is
The Temple of Blue Fireflies bell is in a courtyard decorated with blue lanterns, a stone staircase and scattered offerings. This courtyard occupies a raised terrace overlooking a field of houses in the Village of Lu. You reach it over a connecting house roof rather than from the field underneath.
How to reach the bell from the Well of the Three Puppets
Pickups on the route to the Temple of Blue Fireflies
Two pickups sit on this route. The rubbish heap by the fallen tree and cart gives Remnant Dust + 516, and the glint beside the bamboo pile gives Twinned Metal + 13.
What ringing the Temple of Blue Fireflies bell does
After you ring it, the menu displays “Temple of Blue Fireflies” at the bottom left, confirming activation. It offers these options:
The Village of Lu map now reads “Map Completion : 14%” with “Temple of Blue Fireflies” marked. The purple marker for Secrets at the Heart of the Lake shows about 95 m away from the bell, beyond the temple.
