Go to place to the west near Onyx Mountains. Wait until Syndarion finds the entrance to the Sealed Caverns. Now from the save point go to the north. Go to the west in the next map and find [b]3× Tonic. Now go to the north near the ladder, smash the rock and press a switch.
Go to the west (we are still in the first room after savepoint) and enter passage. In the chest you can find Nayrin Relic. Now go back and enter the northern passage. In this room is puzzle. The solution is easy:all switches pull to the left. In the third room use the western way first. In this place you can find 3× Freewill Essence. Now you can use the eastern way. In the next room is a next puzzle. The solution is easy too:press all switches with even number. In the fifth room is a place with fire, tree, boulder and gold plant. Pull the switch and remember or note the right sequence of the animations. Now go to the west and north. Now reproduce the correct sequence of the animations. Now you can see two chest open them and find Nayrin Relic and Earth Talisman. Now go back to the fifth room and enter the sixth room.
Go to between two doors, here is chest, which contains Potent Tonic. Go to the west and enter southern passage and pull a switch. Enter the passage, which is to the west from the chest with Potent Tonic. Here is puzzle. The solution is easy too: all switches pull to the right. Now return to the sixth room and enter themselves passage, which is to the east drom the chest with Potent Tonic. Here is puzzle which mathematical examples. You must pull the switches from smallest number in result to biggest number in result. In chest in the next room you can find Bethurial Ore. Go back to the passage to the west from the chest with Potent Tonic and solve second puzzle. The solution is easy:press all switches with odd number.
Fight Mindflayer and get to zeppelin. Now read the seventeenth entry of the Matthiad's Journal.