B2g - Beyond the diphoton searches in the ATLAS experiment

Several theories beyond the Standard Model, like the 2HDM, predict the existence of high mass Higgs particles. The excellent operation of the LHC during Run-II at an unprecedented centre-of-mass energy of 13 TeV has enabled ATLAS to produce many new results in searches for such new particles. This talk will highlight chosen BSM results as well as describe the full story of the di-photon excess.