Spoiler: Knowledge Rolls
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Spoiler: Engineering
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With at least a 10, you all can confirm that these are constructs. With a 15 you can clearly see that they are composed primarily of wood, and based on their build, quite a bit of magic, as well. With a 20, you can also judge that by their manner of speech and behavior (how they address you, differentiate between you and other creatures, and made judgement on the proceedings of combat to decide whether or not to intervene), they have some sentience, and are not simply programmed to do one thing, but rather act independently. This is not to say that they do not have a master who built them, but that they do have their own capabilities in logic, reasoning, and decision-making. With a 25, you can distinguish these creatures not simply as wooden constructs, but a specific construct called Wyrwood, which were built by the ancient civilization. Based on the aging of these constructs, however, these are very new versions of the build, either that or they have remained in very good condition.

Spoiler: Religion
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With a 15, you can see and recognize these creatures have various symbols carved into their bodies, but the most prominent is the image of a full moon on the chest. The full moon could be a symbol of Ta'lab, or if you're misjudging and it is an eclipsed moon, instead, it may be the symbol of Ruda. But as you peer even closer, these orbs in their chests may in fact not be a moon at all, because it is constantly spinning - and, ah, there is an hourglass inside. So perhaps this is so perhaps it is a representation of Hubal, instead? They also have Nuha's name written across their bodies several times. With a 20, you immediately pick up on the fact that these creatures referred to 'Creators.' It does not take an educated leap to figure out they are talking about you, but they may also be referring to the Star gods, in whose image you all were created. Therefore, it is not immediately clear if they were built by the Star Gods themselves or by the ancient civilization. Either way, they are addressing you with high respect. With at least a 25, you pick up on the fact that the symbol which is being puzzled over, the ever-turning hourglass, does not, in fact, match exactly the symbol of any one deity that you have ever heard of, so it is either unknown to you or is in fact an amalgamation of the different deities you recognize.

Spoiler: History
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With at least a 10 in history, you realize that there have been stories of 'wooden people' living in the depths of the forests for a very long time. With a 15, you know that constructs like this have not been built since before the expansion of the forest. Blueprints and knowledge of how to create a construct out of such a delicate material as wood, to be shaped so beautifully and with such intelligence, was lost long ago. These specific 'wooden people' are often said to be guardians of ancient ruins and old bastions of civilization. With a 20,
you know that these constructs are called Wyrwoods, and were created by the ancient people of the old cities. Based on the fact that they addressed you as 'Creators' they recognize you as descendants of the ancient civilization. With a 25, you know that these constructs were specifically designed not to take on the roles of protectors, but to aid in researching ancient mysteries of the stars and to aid their creators in the developments of new technology. Since the fall of the civilization and the loss of their masters, however, you are not entire certain what role they have taken on, and your best guess is based on your knowledge of the 'wood people' being protectors.