Shard of rock found in the wake of a meteorite strike. It is imbued with a particularly weighty magic. Throw at enemies, using FP to cause a gravitational explosion. The desperate ones who scavenge for these shards dub themselves starcallers.

Can be found inside a chest in Sellia Crystal TunnelGrace. You can reach the tunnel directly by opening a special chest in Dragon-Burnt RuinsLandmark. That chests is beyond a rat-infested room, once you open it, it immediately teleports you to the Crystal Tunnel. Can be purchased from the Hermit Merchant in Ainsel RiverDungeon for 300 Runes. Can be purchased from Twin Maiden Husks at the Roundtable HoldLandmark for 600 Runes after offering Gravity Stone Peddler's Bell Bearing. Dropped by Starcallers Deals 10 poise damage. You can hold up to 10 Gravity Stone Chunks. You can store up to 600 Gravity Stone Chunks. Sell Value: 100 Runes. Notably deals Strike-type damage. Can be useful against Crystallian enemies.