🍁Nine Ancient Obelisks

Base
Creates a stable surface on a tile with water, quicksand, etc. 
The number of tiles affected by the spell at once is equal to the intelligence. 
Critical: No mana is spent. 
Requires 50 experience points.

Reinforcement
The selected target receives +20 to defense and +2 for each point of intelligence. 
Critical: No mana is spent. 
Requires 50 experience points.

Slow
The selected target receives -1 to speed. 
Critical: The target receives an additional -1 to speed. 
Requires 50 experience points.

Wall
The selected target gains immunity to the next physical attack against it. 
Critical: Immunity to two attacks instead of one. 
Requires 100 experience points. 

Barrier
Creates an obstacle on two adjacent tiles, with health equal to 200. 
Critical: On four tiles instead of two. 
Requires 50 experience points.