2nd hand weapon can be either a shotel or a warpick, put the shotel under the warpick or vice-versa for a nice surprise through the enemy shield or a switch-up. Leo damage hits for 600 (heavy armor) - 800 (no armor) 2 handed with the halberd. No stats on leo warpick.
Hit mages with the avelyn while they are trying to cast spells, note since leo multiplies physical damage only making the avelyn lightning or using lightning bolts may not be as effective for countering.