when i do "/effect <nick> minecraft:night_vision 1000000 x" i have got night vision x+1
for example "/effect <nick> minecraft:night_vision 1000000 2" given night vision III
MC-69198
wrong potion effect level
Resolved
Duplicate
0
Intended.
Amplifier 0 = Tier I,
Amplifier 1 = Tier II
etc