>>536751814
S3M3 >>> S2M3 but ideally the two should be maxed. Ulpianus S3M3 is up there among the best skills in the game and S2M3 is the best wall in the game, period. Post Haruka you can use the two units's S2s and Gladiia existing to give him a perma AFK 51% damage res immune to any damage instance below 870.