The second upgrade to the Gas Trap category, it has an upgrade cost of 2500 gold.
Going from the Insane Gas Trap (Rank B) to The Mind Kill Trap ( Rank A) has the following effects :
- increases the MP cost from 100 MP to 250 MP
- Success % increases from 7% to 8%
- Confusion per second increases from 16 seconds to 32 seconds
- Duration is not affected by the rank upgrade.