Diocletian has had 11 concerts.

Diocletian is most often considered to be Death Metal, Black Metal, Blackened Death Metal, Voidgaze, Black Death, War Metal, Voidgrind, Nz Metal, and Bestial Black Metal.

The next Diocletian concert is on May 08, 2024 at Escape Metalcorner in Vienna, Vienna, Austria.

The last Diocletian concert was on April 24, 2024 at Complexo Desportivo Adb in Barroselas, Viana do Castelo, Portugal. The bands that performed were: I Am Morbid / Blasphemy / Terrorizer / Tankard / Cancer / Bell Witch / Sargeist / Sargeist / Nostromo / Krypts / Diocletian / Lik / Rope Sect / Vulture / Conjurer / Thantifaxath / Fredag den 13:e / Vircolac / Schizophrenia / Snet / Hierophant / Analepsy / Hexecutor / Necrobode / Cobrafuma / Aposento / Morte Incandescente / Systemik Violence / Child / Els Focs Negres / Booby Trap / Disgrace and Terror / Toxikull / Redemptus / Sonneillon / Capela Mortuaria / Entropiah / Alpha Warhead / Verme / Voidwomb.

The songs that Diocletian performs live vary, but here's the latest setlist that we have from the May 24, 2014 concert at Edison Lot in Baltimore, Maryland, United States:

1. Doom Cult
2. Order of the Iron Fist
3. Black Dominion
4. Deathstrike Overkill
5. Wretched Sons
6. Summoning Fear
7. Traitor’s Gallow
8. Steel Jaws
9. Wolf Against Serpent
10. Beast Atop the Trapezoid
11. Sect of Swords
12. Antichrist Hammerfist