Would be nice to see infernos in all acts with varying monsters for variety

Act 1 - Crypt , Mausoleum
Act 2 - Ancient Tunnels
Act 3 - Swampy pit , Disused fane , Forgotten Temple , Forgotten Reliquary , Disused Reliquary , Ruined Fane
Act 4 - Killing izual opens portal to somewhere(just an idea)