Final answer:
The owner of the Griffin tomb likely shares the trait of strength and power with the depicted victorious warrior, similar to the strong, authoritative figures in ancient artifacts like the Victory Stele of Naram-Sin and depictions of warriors from the Temple of Aphaia.
Step-by-step explanation:
The physical trait that the owner of the Griffin tomb appears to share with the victorious warrior depicted on his seal stone is a representation of strength and power. Similar to the depiction of the warrior on the Victory Stele of Naram-Sin, the owner of the Griffin tomb is likely to be portrayed as a figure of authority and might, surrounded by symbolism of dominance such as the griffin, a mythical creature known for its power.
This association with strength is further evidenced by the depictions of other warriors from various artifacts, like the dying warrior from the Temple of Aphaia, who, despite being in a state of defeat, still displays a strong, muscular physique, signifying the valor and robustness of warriors of that era.