THM 17, Sentinel 11, and I have to say, it's great. You get Aegis Boon at 10, which heals you based on damaged blocked. It lasts the length of one Guard, and has a low cooldown. I level CON, THM, and GLD, and my shield skill is staying up pretty well.
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FFXI - Endyne(Asura) RDM 78, NIN 85
FFXIV - Endyne Asuran (Mysidia)
THM 18 // GLD 20 // CON 13 // BSM 17 // GSM 13
LWR 9 // WVR 13 // MNR 15 // LNC 21