Pray for God to free Anthony from every demon, oppressive tormenting thing and all evil matter in and on his soul and spirit.  Pray for Him to do all He can to increase his soul and spirits biological activity, power and energy utilization including feeding them all they need to grow healthy.  Pray for God to protect him from every attack, suffering etc and for Him to do everything He can for him period.  Ask Him to make sure to get him the prayer and fasting he needs in the most effective amounts.