What were the long-term effects of Ivan's murder of his son?

The murder of Ivan the Terrible's son, Ivan Ivanovich, had profound long-term effects on Russia. It exacerbated the instability within the Russian monarchy, leading to a power vacuum and contributing to the Time of Troubles, a period marked by civil strife and foreign invasion. Additionally, it tarnished Ivan's legacy, portraying him as a tragic figure consumed by paranoia and violence, which influenced perceptions of autocracy in Russia for generations. This event also highlighted the dangers of absolute power, as it demonstrated how tyranny could lead to personal and national ruin.