Crafting using Dark Prismarine, Dark Prismarine, Dark Prismarine Slab, Dark Prismarine Slab, Dark Prismarine and Dark Prismarine, arranged in the pattern shown. Produces 3× Dark Prismarine Brick Arrow Slit.
Crafting 
Dark Prismarine Brick Arrow Slit ×3 guaranteed| source | count | chance | conditions |
|---|---|---|---|
| Dark Prismarine Brick Arrow Slit | 1–1 | 100% | — |
Drops itself when broken.
mcwwindows:dark_prismarine_brick_arrow_slitmcwwindowsmcwwindowsmcwwindows:blocks/arrow_slit minecraft:blocks/mineable/pickaxe minecraft:blocks/walls
Recipe JSON (1):
{
"recipe_type": "minecraft:crafting_shaped",
"pattern": [
" AA",
" BB",
" AA"
],
"ingredients": {
"A": {
"item": "minecraft:dark_prismarine"
},
"B": {
"item": "minecraft:dark_prismarine_slab"
}
},
"conditions": [],
"sequence": null,
"group_name": "arrow_slit",
"experience": null,
"cooking_time": null
}