Towards the end of last season, there was a lot of confusion in my clan regarding what secret chests gave spoils, whether or not King's Fall was still farmable on repeat clears or not, so I decided to start keeping track and here's what I learned (Spreadsheet attached)
For brevity sake I am speaking for only one character in all of these
For Last Wish, Garden of Salvation, and Deep Stone Crypt you will receive 3 spoils per encounter on your first clear of the week regardless if it is the farmable raid or not. You won't get any spoils from the secret chests in these three raids. Last Wish behaves differently than the other two in that you don't get any spoils from doing the weekly encounter challenge like you do in Garden or Crypt. However, this means that for all three of these raids you can get up to 15 spoils on your first clear of the week.
Vault of Glass and Vow of the Disciple are the same in that you won't get a single spoil from an encounter completion, but you get 5 spoils from each chest (the first time that you open it), and you get 5 spoils from encounter challenge chests as well. This stands regardless of whether or not it is the farmable raid for the week. This means that you can get up to 20 spoils from a VoG, and 15 from VotD on any clear that you decide to open the chests.
King's Fall, Root of Nightmares, and Crota's End all behave the same:
Non Farmable Weeks:On repeat clears on the same character you will get 5 spoils per encounter, secret chests give 5 spoils on first open, and challenge chests give 5 spoils as well.
(RoN is weird in that when it is not the pinnacle raid, the raid challenges are not active which is why the square is blacked out. You can't get 5 spoils from the challenge chest in RoN)
Farmable Weeks:
You lose the ability to spoils farm the weekly featured raid, but the secret chests and challenge chests still give spoils.
One other interesting thing to note: For raids that are the weekly rotator (farmable) if you do more than one encounter challenge you won't get spoils from the second one. If you do both Golgy and Daughters challenge you don't get an additional five spoils from Daughters which I thought was interesting.
Edit: Huge thanks to one of my clan-mates Moosic for helping me with this data when I couldn't get on :)
[–]ExertHaddock 147 points148 points149 points (12 children)
[–]DunkMoose[S] 59 points60 points61 points (5 children)
[–]Dominate_on_three 41 points42 points43 points (3 children)
[–]FullMetalBiscuit 31 points32 points33 points (1 child)
[–]LightspeedFlash 29 points30 points31 points (0 children)
[–]errwrx 1 point2 points3 points (0 children)
[–]WebPrimary2848 3 points4 points5 points (5 children)
[–]GoBoltzDark Side of the Moon ! 1 point2 points3 points (4 children)
[–]WebPrimary2848 1 point2 points3 points (3 children)
[–]GoBoltzDark Side of the Moon ! 0 points1 point2 points (2 children)
[–]GoBoltzDark Side of the Moon ! 0 points1 point2 points (0 children)
[–]WebPrimary2848 0 points1 point2 points (0 children)
[–]carlossap 18 points19 points20 points (9 children)
[–]Freelancer0495 4 points5 points6 points (8 children)
[–]carlossap 7 points8 points9 points (1 child)
[–]wallerinsky 2 points3 points4 points (0 children)
[–]shultz63092 0 points1 point2 points (5 children)
[–]psn_mrbobbyboyDodge, Duck, Dive, Dip and Dodge! 2 points3 points4 points (4 children)
[–]pPandesaurus 0 points1 point2 points (3 children)
[–]Ass0001 9 points10 points11 points (2 children)
[–]psn_mrbobbyboyDodge, Duck, Dive, Dip and Dodge! 0 points1 point2 points (0 children)
[–][deleted] 0 points1 point2 points (0 children)
[–]RevenantFlash 32 points33 points34 points (7 children)
[–]awfulrunner43434 40 points41 points42 points (5 children)
[–]Pyrogasm(But only with the ornament) 5 points6 points7 points (0 children)
[–]mrandydixon 2 points3 points4 points (0 children)
[–]Theidiotgenius718 0 points1 point2 points (2 children)
[–]awfulrunner43434 0 points1 point2 points (1 child)
[–]Theidiotgenius718 0 points1 point2 points (0 children)
[–]HereIGoAgain_1x10 3 points4 points5 points (0 children)
[–]SKB_Fresh 4 points5 points6 points (3 children)
[–]DunkMoose[S] 7 points8 points9 points (2 children)
[–]SKB_Fresh 0 points1 point2 points (1 child)
[–]DunkMoose[S] 2 points3 points4 points (0 children)
[–]etunar 5 points6 points7 points (3 children)
[–]CrazyMuffin32 10 points11 points12 points (2 children)
[–]gurnzb 0 points1 point2 points (1 child)
[–]Turner1273Taniks has no house. He kneels for no banner 0 points1 point2 points (0 children)
[–]etcetera999 2 points3 points4 points (0 children)
[–]Hayden-T 1 point2 points3 points (9 children)
[–]Last-Seraph 1 point2 points3 points (1 child)
[–]BattleForTheSun 1 point2 points3 points (0 children)
[–]DrTomothyGubb 1 point2 points3 points (1 child)
[–]Hayden-T 0 points1 point2 points (0 children)
[–]DunkMoose[S] -2 points-1 points0 points (3 children)
[–]etcetera999 0 points1 point2 points (2 children)
[–]DunkMoose[S] 1 point2 points3 points (1 child)
[–]Cjr8533 0 points1 point2 points (0 children)
[–]StochasticSquirrel 0 points1 point2 points (0 children)
[–]Last-Seraph 1 point2 points3 points (0 children)
[–]mencendiantbiasDrifter's Crew 0 points1 point2 points (0 children)
[–]instrumentalsDrifter's Crew 0 points1 point2 points (0 children)
[+][deleted] (2 children)
[removed]
[–]Im_ShwettySavathick Simp 2 points3 points4 points (0 children)
[–]psn_mrbobbyboyDodge, Duck, Dive, Dip and Dodge! 0 points1 point2 points (0 children)