1 minecraft:air
2 minecraft:netherrack
3 minecraft:gravel
4 minecraft:lava[level=0]
5 natura:nether_tainted_soil[type=tainted_soil]
6 minecraft:magma
7 natura:nether_purple_large_glowshroom[variant=stem]
8 tconstruct:ore[type=ardite]
9 minecraft:fire[age=0,east=false,north=false,south=false,up=false,west=false]
10 minecraft:quartz_stairs[facing=west,half=bottom,shape=straight]
11 quark:netherrack_speleothem[size=medium]
12 minecraft:quartz_ore
13 minecraft:stone_slab[half=top,variant=quartz]
14 minecraft:quartz_block[variant=default]
15 tconstruct:ore[type=cobalt]
16 quark:netherrack_speleothem[size=big]
17 minecraft:stone_slab[half=bottom,variant=quartz]
18 minecraft:quartz_stairs[facing=north,half=bottom,shape=straight]
19 minecraft:glowstone
20 natura:nether_thorn_vines[east=false,north=true,south=false,up=false,west=false]
21 minecraft:quartz_stairs[facing=south,half=bottom,shape=straight]
22 natura:nether_leaves[check_decay=false,decayable=true,type=bloodwood]
23 natura:nether_leaves[check_decay=true,decayable=true,type=bloodwood]
24 natura:nether_logs2[meta=2]
25 natura:nether_logs2[meta=3]
26 minecraft:red_mushroom
27 minecraft:brown_mushroom
28 minecraft:flowing_lava[level=1]
29 natura:nether_leaves[check_decay=false,decayable=true,type=ghostwood]
30 natura:nether_leaves[check_decay=true,decayable=true,type=ghostwood]
31 minecraft:soul_sand
32 natura:nether_glowshroom[type=green]
33 natura:nether_logs2[meta=1]
34 natura:nether_leaves2[check_decay=false,decayable=true,type=darkwood]
35 natura:nether_leaves2[check_decay=true,decayable=true,type=darkwood]
36 biomesoplenty:grass[snowy=false,variant=overgrown_netherrack]
37 quark:basalt[variant=stone_basalt]
38 natura:nether_thorn_vines[east=false,north=false,south=true,up=false,west=true]
39 natura:nether_glowshroom[type=blue]
40 biomesoplenty:grass[snowy=false,variant=mycelial_netherrack]
41 biomesoplenty:ash_block
42 natura:nether_thorn_vines[east=false,north=true,south=false,up=false,west=true]
43 natura:nether_thorn_vines[east=false,north=true,south=true,up=false,west=false]
44 natura:nether_thorn_vines[east=false,north=false,south=false,up=false,west=true]
45 minecraft:flowing_lava[level=0]
46 minecraft:bone_block[axis=x]
47 minecraft:bone_block[axis=y]
48 minecraft:bone_block[axis=z]
49 minecraft:obsidian
50 minecraft:nether_brick
