Grid Wrath Shard It's an add-on!
This article contains content or information from mods or add-ons.
Certain things in this article can not be found in Thaumcraft itself and you must have the mod(s) stated below, as well as Thaumcraft, in order to gain access to such extreme power.
"[...] You're done squid hunting. By infusing a rose with tenebrae and victus, you
create a flower that spreads like a weed and those petals can be crushed for ink" -  Part of its Thaumonomicon Entry


The Umbral Rose is a useful way of obtaining ink sacs (other than killing squids). It is added by Forbidden Magic, a Thaumcraft add-on.

It'll spread very quickly on grass and each flower can be crafted into 2 ink sacs.

Crafting and ResearchEdit

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Crafting recipe