First, increase summon points (Advanced Summon Mastery, etc.), does each SP mean anything more than you can summon more monsters? Like increase attack/defense for summons/summoner? Because there are only 3 summons worth using which are Golgon, Blesser and Dark Knight and since Dark Knight consumes no SP it only need just 5 SPs for the other 2 (4 for Golgon and 1 for Blesser), and I have seen many builds which they just max those 3 summons but also max all skills that increase SP (which is about 7, 8 SP)
Next, is Rolling Stone really useful in higher levels? I realize after you get to higher levels with a +20 weapon, you clear the map pretty fast with Smart Shot already with no need of using summons and other skills, but every summoners I met recommend me to max it
I would really appreciate it if anyone can explain this to me
