1. The Long Falls

OSRIC, page 124, "Light and Vision - "Bullseye lanterns illuminate 80 ft (in a 10 ft wide beam) and burn a pint of oil every 4 hours. Such lanterns can be masked. Hooded lanterns illuminate a 30 ft radius and also burn one pint of oil every 4 hours. Magical weapons illuminate 10-20 ft for an infinite period of time (dagger 10 ft, longsword 20 ft). Torches shed 40 ft of illumination and burn out in 6 turns (1 hour). Standard game candles shed 20 ft of illumination and burn out in 30 minutes, although longer-lasting ones may be purchased at additional cost."

So your lantern provides 30' of ilumination.

---

Thrud lights a lantern to give you a better view of your surroundings. Perhaps reassuringly, perhaps disappointingly, the space seems empty apart from the piles of rubble that litter the floor.

What strikes you as slightly odd, given that this is a dry sheltered spot at the base of such an arduous climb, is the lack of indications that this tower is in regular use as a staging post for adventurers as they prepare to ascend to Arden Vul. There are no signs of recent habitation, such as an old camp fire, or discarded supplies.

---
12:20 pm, Demmasday 1st Lucreon (April) 2993 AEP
Ellagel, Elven Fighter/Magic User 1/1: 6/6, 90’
Grimidek, Dwarven Cleric 1: 9/9, 60’
Jacky, Halfling Fighter/Thief 1/1: 6/6, 60’
Thrudmarr, Wiskin Fighter 1: 5/5, 90’
Vasco, Thorcin Thief 1: 6/6, 120’
Zacharias, Archontean Fighter 1: 10/10, 60’
—
Billie, Mule, 120’

"Notice something interesting in there?" Jacky asks those standing up in front. "Or odd? Or anything at all?"

Seeing that a light has been struck and that most of the party's strength has entered the collapsed building, Ellagel follows into the tower, her eyes tearing up slightly at the first contact with the torch's fumes.

The tower is 50' in diameter so, yes, you have enough illumination to see the entire space. The ceiling is, more or less, intact. Certainly, there's enough material above you to block out the light and keep the ground floor dry. The ceiling is about 10' high.

Brown bulging eyes gaze straight up. Grim studies the ceiling, gauging how to access the tower’s upper levels.
I ‘spose we be searchin’ de ground floor, den ta see what’s up above us.

Vasco crept inside the tower following others and closed his eyes for a moment to adjust to the dim light of the torch. He surveyed the surroundings looking for a passageway by which they can proceed. He crouched down and looked around in the derelict sections trying to notice any small thumb sized rocks and pebbles which he could add to his collections for the use of the sling.

Thankful for the light, Zacharias slowly moves into the tower, scanning for enemies, doors/trapdoors, and staircases/ladders in that order.

"All of the upper levels have collapsed into the tower and surrounding area, leaving only a treacherous-looking ground floor."

There is no second story.

"If there's nothing to be found here, let's leave and be on our way. The sooner we get to the top of the cliffs, the more time we'll have to catch our breath!"

Ruined Tower
Sure, there is no problem finding sling stones in this area. A dozen sling stones weigh 2 lbs (OSRIC, page 32).
Zach cannot immediately see any enemies, doors (other than the one you entered through), trapdoors or staircases/ladders. However, he can see signs of where a wooden stairway was previously in place, although that is now missing and the corresponding hole in the ceiling is blocked with fallen masonry.

If you wish to search more actively for any of the above, let me know where and how you plan to search (and bear in mind that this will take at least a turn).
Again, you can’t immediately see one, but if you wish to spend some time searching more actively amongst the rubble, let me know.

---
12:20 pm, Demmasday 1st Lucreon (April) 2993 AEP
Ellagel, Elven Fighter/Magic User 1/1: 6/6, 90’
Grimidek, Dwarven Cleric 1: 9/9, 60’
Jacky, Halfling Fighter/Thief 1/1: 6/6, 60’
Thrudmarr, Wiskin Fighter 1: 5/5, 90’
Vasco, Thorcin Thief 1: 6/6, 120’
Zacharias, Archontean Fighter 1: 10/10, 60’
—
Billie, Mule, 120’

Grim stoops low to the debris-ridden floor. Which, isn’t that far for him to go!
Our dwarven fellow searches active,y, among the rubble, for a trap door in the floor.

"Why look at junk?" Thrudmarr asks Grim. "We fight bad guys or find treasure. No bad guys here."

Seeing no danger, he pulls out a piece of chalk and starts painstakingly drawing letters on the wall. Eventually he proudly has drawn "THRUD" on the wall, with the R backwards. He nods, satisfied to himself. Turning back to the dwarf, he watches him search for a moment.

"Thrudmarr strong. Can move big rocks if you want. Just say where."

After giving Thrudmarr a big thumbs up and a smile of encouragement, Ella observed as the dwarf began looking around for some concealed passage.

She considered the tower once more, trying to imagine where she would have built a secret passage into this floor.

No enemies, no upstairs, no downstairs. Unless you want to take a nap, I think we should get moving.

Ruined Tower
As far as you can tell, it has always been a single chamber. There is no evidence of internal walls.

Judging by the tower's location, you reckon it was more likely a watchtower than a defensive structure. Hence the walls are not that thick. Probably only 2-3’.
You spend a turn searching through the rubble on the tower’s floor and do indeed find something. Something slightly strange. Opposite the door, Grim uncovers a trapdoor in the floor. It is made of wood with iron fixtures. But as Grim clears the debris from atop it, he notices that the trapdoor is cold to the touch. Icily cold. Unnaturally cold.

---
12:30 pm, Demmasday 1st Lucreon (April) 2993 AEP
Ellagel, Elven Fighter/Magic User 1/1: 6/6, 90’
Grimidek, Dwarven Cleric 1: 9/9, 60’
Jacky, Halfling Fighter/Thief 1/1: 6/6, 60’
Thrudmarr, Wiskin Fighter 1: 5/5, 90’
Vasco, Thorcin Thief 1: 6/6, 120’
Zacharias, Archontean Fighter 1: 10/10, 60’
—
Billie, Mule, 120’

As Grimidek uncovers the trapdoor, Vasco moved closer to take a look. "Master Grimidek, looks like you have found a lower entrance. However, this one seems strange. I wonder...". He looked around the trapdoor and hovered his palm feeling the cold emanating from it.

"What's that you've found?" Jacky says as the rubble is removed. "Oh!"

"Stand back, everyone. I have just the thing." With a flourish, he brandishes a 10 ft pole. "Aunt Agatha, gods rest her soul, made sure I never forget to bring this with me."

The halfling proceeds to rap on the surface of the trapdoor a couple of times, then tries to hook the pole under one of the iron fixtures to tug up the trapdoor.

Grim waddles behind his halfling friend.

Well now, I ‘spose I can give ya a dwarven hand wid dat, exclaims our dwarven fellow!

Grim stows hammer and shield, and grabs the end of the pole with both hands. Helping to steady, guide, and leverage the pole to pull the door open.