|god=[[Fo]]
}}
[[CDB|Main]] / [[Religion]] / [[:Category:Spells|Spells]] / [[:Category:Fo Spells|Fo spells]] / '''{{PAGENAME}}'''
'''Forest giant strength''' is a spell given to priests of Fo at 55 faith. Attempting to cast it on players with over 40 (?) body strength gives the message, "<Player> doesn't seem affected as he probably is too strong already". Presumably it temporarily buffs the body strength of weaker players.