Some more artifacts have a custom image

game/modules/tome/data/general/objects/world-artifacts.lua

...ata/gfx/shockbolt/object/artifact/arkuls_seige_arrows.png

...ome/data/gfx/shockbolt/object/artifact/decayed_visage.png

...tome/data/gfx/shockbolt/object/artifact/dream_malleus.png

...tome/data/gfx/shockbolt/object/artifact/frozen_shards.png

...me/data/gfx/shockbolt/object/artifact/hornet_stingers.png

...tome/data/gfx/shockbolt/object/artifact/nithans_force.png

...x/shockbolt/object/artifact/pouch_of_the_subconscious.png

...ta/gfx/shockbolt/object/artifact/quiver_of_domination.png

.../data/gfx/shockbolt/object/artifact/quiver_of_the_sun.png

...les/tome/data/gfx/shockbolt/object/artifact/star_shot.png

.../data/gfx/shockbolt/object/artifact/the_titans_quiver.png

...s/tome/data/gfx/shockbolt/object/artifact/void_quiver.png

...ome/data/gfx/shockbolt/object/artifact/wind_worn_shot.png