My personal experience has left me with the [i]suspicion[/i] that single-session Solo Dungeon completions [i]might[/i] grant higher base drop chances(compared to grouped or Boss checkpoint clears) to which any applicable RNG Triumph boosts are then added. I say this as [b]Heartshadow[/b], [b]Hierarchy of Needs[/b], [b]Navigator[/b] and [b]Buried Bloodline[/b] each dropped for me under the following, oddly similar, curcumstances: • with four RNG Triumph boosts active (every boost except for Master completions for their respective Dungeons) • on my fourth or fifth single-session Solo completion • with zero prior grouped clears The only RNG drop Dungeon Exotic that has deviated from this strangely consistent behavior for me has been [b]Icebreaker[/b], which luckily dropped on my first and only [b]Vesper[/b] completion with zero RNG boosts active at the time the boss died (although this was a successful [b]Solo Flawless[/b] run so I was able to immediately claim three RNG boosts and I have since revisited the Dungeon several times Solo to complete the Catalyst and get drops the first two encounters and hidden chests, so I don’t feel particularly bad talking about my good fortune). This is of course the anecdotal experience of a single person and therefore does not remotely constitute enough data to form anything more than a [i]slight suspicion[/i] that single-session Solo runs may have a higher base Exotic drop chance, but I leave this information here to do with as you see fit. (΄◉◞౪◟◉｀)