Routes1 Night Forest with trapdoor down to Blue Stones:  there is a stairs at the North of Tomb Level to there. In Tomb Level see if the trapdoor down from the hall next to the Restricted Alcoves is open. Also in Stinking Dungeons enter the big hall, if unlocked, from Guard Room and use the trapdoor down  2 Stinking Dungeons to Blue Stones :  see if you can get into the vast hall in the middle, it has a stone door by the Guard Room, if the Stone Door is locked this is not always bad news, scout around to the South end of the level , a passageway that is normally a dead end, may have now opened to give you access!3 Teleporter Room from Stinking Dungeons : Initially you grab the Gold key from THE CASTLE and then use the 2nd Gear key to descend from the Castle to the Beach pond, this leads to a big stinking battle in the Dungeons below, then to the Guard Room where you use the Gold key to descend to Teleporter Room but at this stage the Teleporters fail4 Teleporter Room from Trapdoor 1 , Blue Stones:  To descend to activation platform in Teleporter Room take Trapdoor 1 down to Fetid Sewers, battle the unholy horde and seek the NW stairs, these open up about 10 minutes after the horde appear, find your way to the activation platform where all or some teleporters initiate for real5 when you have the Rapier sword! where to go?  head to Stinking Dungeons, the very big middle area referenced in Route 3 ("this leads to a big stinking battle in the Dungeons below, then to  the Guard Room where you use the Gold key......") could be tricky to get back in there but THERE IS a way! then find the trapdoor (there are more than 1) 6  getting back to ground level Teleporter Room, remember that after the stairs from Upper castle unlock, your party always have a route back to Teleporter FROM Castle7 getting back to Blue Stones, generally see Route 6 as Blue Stones soon link with Teleporter Room but if not, see Route 1, which relies on the party having already been to Blue Stones once8 getting back to Castle. from Stinking Dungeons head to SE stairs, this is the easiest route back9 back to Stinking Dungeons, use open pit on N beach10 back to Tomb Level , use stairs in N Stinking Dungeons, but to get back to UPPER Tomb Level try entering the big hall in Stinking Dungeons, if unlocked, from Guard Room and use the trapdoor downTIP!    teleporter room contains 4 teleporters, 1 or more activate from the adjacent upper platform only ...  if not all turn on, the others will come on laterTeleporter 1 : Advanced Tomb!    TIP!   this is a great mission but 1 critical factor, KILL THE RATBOSS, the special trapdoor nearby then unlocks and that opens a whole new mission worth doing!! you'll love itTeleporter 2 : Advanced Sewers   TIP!  this time the trapdoor pit in the middle IS OPEN and leads to a gorgeous lake (full of loot) Teleporter 3 : Advanced Castle   TIP!   easiest teleporter mission of the lot, teleport - find the path, grab the awesome loot, simple.  do this one if your team are lowTeleporter 4 : Advanced Dungeons TIP!   this is an Arena Battle revisited, have keys, bombs and a strong teamTeleporter 5 is hidden in Advanced (upper) Tomb and routes to Laboratory level (same as party can reach (initially) from Launch Beach!) [the trapdoors in Blue Stones are numbered the same way as Teleporter Room (But without the numbers)]Trapdoor 1 :  descend to Advanced Fetid Dungeons, tricky battle situation but look out for the NW stairs several minutes after the Unholy Horde appear, this is worth checking out Trapdoor 2 :  Tip grab the Blue crystal to descend to Mine Bridge, either stay on the bridge and exit via stairs to Upper Dungeon or drop off Bridge and hope you have better options on the Mine Floor TIP!   grab the rocks on the Bridge after you kill the Stone DemonsTrapdoor 3 :   Advanced Sewers MissionTrapdoor 4 :   Tip grab the green crystal to descend to Pontious Mission 1, INFO this can be heavy heavy stuff but a critical moment in the game TIP!  seek the floor plate in a Uguardian's cageunusual locksLOCK     LOCATION    LEVEL            COMMENTornate    South   Stin Dungeons      Fiery Etherals platformstatue  UPPER SECT  Zarchtod Tomb    trapdoor down from Stinking Dungeons "Big Hall" in centrePROGRESS?Q   I'm stuck at the end of Fetid Dungeons   A   see Routes , no 1 "Night Forest with trapdoor down to Blue Stones"  go back to a previous save if necessary , get to North Tomb Level or Stinking Dungeons Big Hall (trapdoor down to Upper Tomb) Q   Castle Level has no way out,  see answer above (for  I'm stuck at the end of Fetid Dungeons)