The second upgrade to the Pit Trap category, it has an upgrade cost of 4500 gold.
Going from the Floor Lift Trap (Rank B) to The Poison Pit Trap ( Rank A) has the following effects :
- increases the MP cost from 300 MP to 500 MP
- Success % increases from 7% to 9%
- Power increases from 35 to 50
- Duration is not affected by the rank upgrade.