[Ranylyn]

Neus » Sun Feb 01, 2015 4:06 pm[/url]"]What's more likely is that the effects you're mentioning don't overwrite existing field effects because there's already a field effect of the same type at the location, making this not really a bug and just a mechanic.

Incorrect. A Fire Altar's cinder tiles will dissappear alongside another fire effect if layered, so overwrites do occur.