An IQ score over 140 indicates that you're a genius or nearly a genius, while 120 - 140 is classed as "very superior intelligence". 110 - 119 is "superior intelligence", while 90 - 109 is "normal or average intelligence".
It means that you have above average intelligence. An IQ of 125 is about the 95%. Thus out of a group of 20 people you might be one of the smartest. But tests vary.
95th percentileIQ 125 is at the 95th percentile - 95% of people have an IQ equal to or less than 125. This means 5% of the population score higher.
Silas was the one who created the immortality spell 2000 years ago however, as nature creates a balance for everything, it created a version of Silas that could be killed, a shadow-self which ends up being Stefan. Silas then locks Stefan into a vault and drowns him in the river.
One of them helped Superman resurrect himself in a very complicated and comic book-y way. In the aftermath of the Death of Superman it was eventually revealed that the Eradicator stole Superman's body from his crypt and placed him inside a Kryptonian device in the Fortress of Solitude called “the regeneration matrix.”