Bullfrog Horn is a Legends of Idleon item: dropped by 1 monster, used in 2 recipes, upgrades 2 bonuses. Makes a loud noise when thrown at someones head, although the sound doesn't come from the horn itself...

Bullfrog Horn | Idleon Toolbox

Makes a loud noise when thrown at someones head, although the sound doesn't come from the horn itself...

Bullfrog_Horn

Amarok_Hinds

Unlocks the 2nd tab of craftable items for all anvils!

Anvil_Tab_2

High_IQ_Lumber_Stamp

Gigafrog

+{_Talent_Points_for_Tab_1._Shout_out_to_that_1_person_who'll_make_it_this_far_without_knowing_what_talents_are,_you're_my_hero!