the arion mod adds many new bosses that can be defeated to get new items to help you defeat even more bosses the bosses in the range from a simple crow all the way to a hp lovecraft cthulhu!

some of the new bosses are

diver-spawns in the ocean can do random critical hits

dryad-spawns in the jungle able to switch the world state from night to day to raining to etc

crow-can be found when harvesting crops spawns a scarecrow you must kill first

upgraded wither and elder guardian

Cthulhu has the power to throw deadly arrows from different dimensions and summon loyal servants

thunder bird-a extremely deadly version of the crow if the crow is zapped by lighting it becomes it watch out

nether queen-summons wither skeletons and spirits will also apply inextinguishable flames

ender cultist-spawns in the end main island summons praisers and shoots ender gems at you

nether scientist v1?-a brilliant scientist uses explosion to his advance position

gurdain of radiation can apply radiation effects to nearby enemy also has a small chance to do fatal damage

glutinous blob massive blob only able to be hit from below

eyesoar of souls able to defend itself after a strike it can also go invisible

ender blaze a normal boss which can fly but it spawns 2 copy's of itself 99% the same as it

biomes

radiation-mushroom type biome a place where unique plants grow and special houses and zombies roam

Dimension

the deeper nether

placing obsidian the same as a nether portal and using a portal igniter for the deeper nether will make a portal to go to the deeper nether

currently using calamity mod music as placeholder ARR

NEXT UPDATE

invention update-very big will take some time