Hey Everyone, I just caught wind of this thread so I can provide some context for the behavior you’re experiencing. At the moment, Scarlet Fever’s 150% damage increase draws its boost value from Prospero’s BASE attack power. The bonus damage doesn’t take into account any runes, research, of dragon rider modifiers that increase Prospero’s attack power.
As an example, if Prospero has 8,000 base attack power, and his dragon rider increases his attack power to 9,000. The post-Scarlet Fever damage will be 20,000, not 22,500.
This damage boost works the same way that damaging spells do their damage based off of the dragon’s base HP, rather than post-modified HP.
That said, I do recognize that the math @Morreion ran matches my own, and this is a weird occurrence. For what it’s worth, I checked the parameters for the spell both on the release version that went live and in several future releases that haven’t gone out yet and they all point to a 150% boost from Scarlet Fever (meaning a 2.5 times multiplier). The parameter is correct ,but there may be another issue that we’re not currently aware of. This definitely deserves an investigation.