Lucidity summoner cd interaction w/ mastery
Getting both lucidity and the 15% summoner mastery makes an odd interaction 100% of the time, if you have lucidity and sell it at any point it'll subtract 10% cd from the 15% of the masteries, lowering flash to a 285 sec cd instead of a 255sec. It also seems that the mastery and boots dont stack for ignite since its cd only goes down to 179 (it lowered to 150something for me for a sec till i leveled then it went back to 179).
Basically the mastery and lucidity boots seem to broken in some way atm.