Complex sentence: With his millions of viral toxins available, he sees them as almost an evolution, seemingly striving to better those who would follw him by poisoning them over vast periods of time, and as such, has gaind the nickname "Grandfather Nurgle" by his followers.
Split into simpler sentences: With his millions of viral toxins available, he sees them as almost an evolution, seemingly striving to better those who would follw him by poisoning them over vast periods of time. As such, has gained the nickname "Grandfather Nurgle" by his followers.